[
    {
        "letter": "あ",
        "letter_name_ipa": "[a]",
        "letter_sound_ipa": "[a]",
        "roman_letter": "a"
    },
    {
        "letter": "ア",
        "letter_name_ipa": "[a]",
        "letter_sound_ipa": "[a]",
        "roman_letter": "a"
    },
    {
        "letter": "い",
        "letter_name_ipa": "[i]",
        "letter_sound_ipa": "[i]",
        "roman_letter": "i"
    },
    {
        "letter": "イ",
        "letter_name_ipa": "[i]",
        "letter_sound_ipa": "[i]",
        "roman_letter": "i"
    },
    {
        "letter": "う",
        "letter_name_ipa": "[ɯ]",
        "letter_sound_ipa": "[ɯ]",
        "roman_letter": "u"
    },
    {
        "letter": "ウ",
        "letter_name_ipa": "[ɯ]",
        "letter_sound_ipa": "[ɯ]",
        "roman_letter": "u"
    },
    {
        "letter": "え",
        "letter_name_ipa": "[e]",
        "letter_sound_ipa": "[e]",
        "roman_letter": "e"
    },
    {
        "letter": "エ",
        "letter_name_ipa": "[e]",
        "letter_sound_ipa": "[e]",
        "roman_letter": "e"
    },
    {
        "letter": "お",
        "letter_name_ipa": "[o]",
        "letter_sound_ipa": "[o]",
        "roman_letter": "o"
    },
    {
        "letter": "オ",
        "letter_name_ipa": "[o]",
        "letter_sound_ipa": "[o]",
        "roman_letter": "o"
    },
    {
        "letter": "か",
        "letter_name_ipa": "[ka]",
        "letter_sound_ipa": "[ka]",
        "roman_letter": "ka"
    },
    {
        "letter": "カ",
        "letter_name_ipa": "[ka]",
        "letter_sound_ipa": "[ka]",
        "roman_letter": "ka"
    },
    {
        "letter": "き",
        "letter_name_ipa": "[ki]",
        "letter_sound_ipa": "[ki]",
        "roman_letter": "ki"
    },
    {
        "letter": "キ",
        "letter_name_ipa": "[ki]",
        "letter_sound_ipa": "[ki]",
        "roman_letter": "ki"
    },
    {
        "letter": "く",
        "letter_name_ipa": "[kɯ]",
        "letter_sound_ipa": "[kɯ]",
        "roman_letter": "ku"
    },
    {
        "letter": "ク",
        "letter_name_ipa": "[kɯ]",
        "letter_sound_ipa": "[kɯ]",
        "roman_letter": "ku"
    },
    {
        "letter": "け",
        "letter_name_ipa": "[ke]",
        "letter_sound_ipa": "[ke]",
        "roman_letter": "ke"
    },
    {
        "letter": "ケ",
        "letter_name_ipa": "[ke]",
        "letter_sound_ipa": "[ke]",
        "roman_letter": "ke"
    },
    {
        "letter": "こ",
        "letter_name_ipa": "[ko]",
        "letter_sound_ipa": "[ko]",
        "roman_letter": "ko"
    },
    {
        "letter": "コ",
        "letter_name_ipa": "[ko]",
        "letter_sound_ipa": "[ko]",
        "roman_letter": "ko"
    },
    {
        "letter": "さ",
        "letter_name_ipa": "[sa]",
        "letter_sound_ipa": "[sa]",
        "roman_letter": "sa"
    },
    {
        "letter": "サ",
        "letter_name_ipa": "[sa]",
        "letter_sound_ipa": "[sa]",
        "roman_letter": "sa"
    },
    {
        "letter": "し",
        "letter_name_ipa": "[ɕi]",
        "letter_sound_ipa": "[ɕi]",
        "roman_letter": "shi"
    },
    {
        "letter": "シ",
        "letter_name_ipa": "[ɕi]",
        "letter_sound_ipa": "[ɕi]",
        "roman_letter": "shi"
    },
    {
        "letter": "す",
        "letter_name_ipa": "[sɯ]",
        "letter_sound_ipa": "[sɯ]",
        "roman_letter": "su"
    },
    {
        "letter": "ス",
        "letter_name_ipa": "[sɯ]",
        "letter_sound_ipa": "[sɯ]",
        "roman_letter": "su"
    },
    {
        "letter": "せ",
        "letter_name_ipa": "[se]",
        "letter_sound_ipa": "[se]",
        "roman_letter": "se"
    },
    {
        "letter": "セ",
        "letter_name_ipa": "[se]",
        "letter_sound_ipa": "[se]",
        "roman_letter": "se"
    },
    {
        "letter": "そ",
        "letter_name_ipa": "[so]",
        "letter_sound_ipa": "[so]",
        "roman_letter": "so"
    },
    {
        "letter": "ソ",
        "letter_name_ipa": "[so]",
        "letter_sound_ipa": "[so]",
        "roman_letter": "so"
    },
    {
        "letter": "た",
        "letter_name_ipa": "[ta]",
        "letter_sound_ipa": "[ta]",
        "roman_letter": "ta"
    },
    {
        "letter": "タ",
        "letter_name_ipa": "[ta]",
        "letter_sound_ipa": "[ta]",
        "roman_letter": "ta"
    },
    {
        "letter": "ち",
        "letter_name_ipa": "[tɕi]",
        "letter_sound_ipa": "[tɕi]",
        "roman_letter": "chi"
    },
    {
        "letter": "チ",
        "letter_name_ipa": "[tɕi]",
        "letter_sound_ipa": "[tɕi]",
        "roman_letter": "chi"
    },
    {
        "letter": "つ",
        "letter_name_ipa": "[t͡sɯ]",
        "letter_sound_ipa": "[t͡sɯ]",
        "roman_letter": "tsu"
    },
    {
        "letter": "ツ",
        "letter_name_ipa": "[t͡sɯ]",
        "letter_sound_ipa": "[t͡sɯ]",
        "roman_letter": "tsu"
    },
    {
        "letter": "て",
        "letter_name_ipa": "[te]",
        "letter_sound_ipa": "[te]",
        "roman_letter": "te"
    },
    {
        "letter": "テ",
        "letter_name_ipa": "[te]",
        "letter_sound_ipa": "[te]",
        "roman_letter": "te"
    },
    {
        "letter": "と",
        "letter_name_ipa": "[to]",
        "letter_sound_ipa": "[to]",
        "roman_letter": "to"
    },
    {
        "letter": "ト",
        "letter_name_ipa": "[to]",
        "letter_sound_ipa": "[to]",
        "roman_letter": "to"
    },
    {
        "letter": "な",
        "letter_name_ipa": "[na]",
        "letter_sound_ipa": "[na]",
        "roman_letter": "na"
    },
    {
        "letter": "ナ",
        "letter_name_ipa": "[na]",
        "letter_sound_ipa": "[na]",
        "roman_letter": "na"
    },
    {
        "letter": "に",
        "letter_name_ipa": "[ni]",
        "letter_sound_ipa": "[ni]",
        "roman_letter": "ni"
    },
    {
        "letter": "ニ",
        "letter_name_ipa": "[ni]",
        "letter_sound_ipa": "[ni]",
        "roman_letter": "ni"
    },
    {
        "letter": "ぬ",
        "letter_name_ipa": "[nɯ]",
        "letter_sound_ipa": "[nɯ]",
        "roman_letter": "nu"
    },
    {
        "letter": "ヌ",
        "letter_name_ipa": "[nɯ]",
        "letter_sound_ipa": "[nɯ]",
        "roman_letter": "nu"
    },
    {
        "letter": "ね",
        "letter_name_ipa": "[ne]",
        "letter_sound_ipa": "[ne]",
        "roman_letter": "ne"
    },
    {
        "letter": "ネ",
        "letter_name_ipa": "[ne]",
        "letter_sound_ipa": "[ne]",
        "roman_letter": "ne"
    },
    {
        "letter": "の",
        "letter_name_ipa": "[no]",
        "letter_sound_ipa": "[no]",
        "roman_letter": "no"
    },
    {
        "letter": "ノ",
        "letter_name_ipa": "[no]",
        "letter_sound_ipa": "[no]",
        "roman_letter": "no"
    },
    {
        "letter": "は",
        "letter_name_ipa": "[ha]",
        "letter_sound_ipa": "[ha]",
        "roman_letter": "ha"
    },
    {
        "letter": "ハ",
        "letter_name_ipa": "[ha]",
        "letter_sound_ipa": "[ha]",
        "roman_letter": "ha"
    },
    {
        "letter": "ひ",
        "letter_name_ipa": "[çi]",
        "letter_sound_ipa": "[çi]",
        "roman_letter": "hi"
    },
    {
        "letter": "ヒ",
        "letter_name_ipa": "[çi]",
        "letter_sound_ipa": "[çi]",
        "roman_letter": "hi"
    },
    {
        "letter": "ふ",
        "letter_name_ipa": "[ɸɯ]",
        "letter_sound_ipa": "[ɸɯ]",
        "roman_letter": "fu"
    },
    {
        "letter": "フ",
        "letter_name_ipa": "[ɸɯ]",
        "letter_sound_ipa": "[ɸɯ]",
        "roman_letter": "fu"
    },
    {
        "letter": "へ",
        "letter_name_ipa": "[he]",
        "letter_sound_ipa": "[he]",
        "roman_letter": "he"
    },
    {
        "letter": "ヘ",
        "letter_name_ipa": "[he]",
        "letter_sound_ipa": "[he]",
        "roman_letter": "he"
    },
    {
        "letter": "ほ",
        "letter_name_ipa": "[ho]",
        "letter_sound_ipa": "[ho]",
        "roman_letter": "ho"
    },
    {
        "letter": "ホ",
        "letter_name_ipa": "[ho]",
        "letter_sound_ipa": "[ho]",
        "roman_letter": "ho"
    },
    {
        "letter": "ま",
        "letter_name_ipa": "[ma]",
        "letter_sound_ipa": "[ma]",
        "roman_letter": "ma"
    },
    {
        "letter": "マ",
        "letter_name_ipa": "[ma]",
        "letter_sound_ipa": "[ma]",
        "roman_letter": "ma"
    },
    {
        "letter": "み",
        "letter_name_ipa": "[mi]",
        "letter_sound_ipa": "[mi]",
        "roman_letter": "mi"
    },
    {
        "letter": "ミ",
        "letter_name_ipa": "[mi]",
        "letter_sound_ipa": "[mi]",
        "roman_letter": "mi"
    },
    {
        "letter": "む",
        "letter_name_ipa": "[mɯ]",
        "letter_sound_ipa": "[mɯ]",
        "roman_letter": "mu"
    },
    {
        "letter": "ム",
        "letter_name_ipa": "[mɯ]",
        "letter_sound_ipa": "[mɯ]",
        "roman_letter": "mu"
    },
    {
        "letter": "め",
        "letter_name_ipa": "[me]",
        "letter_sound_ipa": "[me]",
        "roman_letter": "me"
    },
    {
        "letter": "メ",
        "letter_name_ipa": "[me]",
        "letter_sound_ipa": "[me]",
        "roman_letter": "me"
    },
    {
        "letter": "も",
        "letter_name_ipa": "[mo]",
        "letter_sound_ipa": "[mo]",
        "roman_letter": "mo"
    },
    {
        "letter": "モ",
        "letter_name_ipa": "[mo]",
        "letter_sound_ipa": "[mo]",
        "roman_letter": "mo"
    },
    {
        "letter": "や",
        "letter_name_ipa": "[ja]",
        "letter_sound_ipa": "[ja]",
        "roman_letter": "ya"
    },
    {
        "letter": "ヤ",
        "letter_name_ipa": "[ja]",
        "letter_sound_ipa": "[ja]",
        "roman_letter": "ya"
    },
    {
        "letter": "ゆ",
        "letter_name_ipa": "[jɯ]",
        "letter_sound_ipa": "[jɯ]",
        "roman_letter": "yu"
    },
    {
        "letter": "ユ",
        "letter_name_ipa": "[jɯ]",
        "letter_sound_ipa": "[jɯ]",
        "roman_letter": "yu"
    },
    {
        "letter": "よ",
        "letter_name_ipa": "[jo]",
        "letter_sound_ipa": "[jo]",
        "roman_letter": "yo"
    },
    {
        "letter": "ヨ",
        "letter_name_ipa": "[jo]",
        "letter_sound_ipa": "[jo]",
        "roman_letter": "yo"
    },
    {
        "letter": "ら",
        "letter_name_ipa": "[ɾa]",
        "letter_sound_ipa": "[ɾa]",
        "roman_letter": "ra"
    },
    {
        "letter": "ラ",
        "letter_name_ipa": "[ɾa]",
        "letter_sound_ipa": "[ɾa]",
        "roman_letter": "ra"
    },
    {
        "letter": "り",
        "letter_name_ipa": "[ɾi]",
        "letter_sound_ipa": "[ɾi]",
        "roman_letter": "ri"
    },
    {
        "letter": "リ",
        "letter_name_ipa": "[ɾi]",
        "letter_sound_ipa": "[ɾi]",
        "roman_letter": "ri"
    },
    {
        "letter": "る",
        "letter_name_ipa": "[ɾɯ]",
        "letter_sound_ipa": "[ɾɯ]",
        "roman_letter": "ru"
    },
    {
        "letter": "ル",
        "letter_name_ipa": "[ɾɯ]",
        "letter_sound_ipa": "[ɾɯ]",
        "roman_letter": "ru"
    },
    {
        "letter": "れ",
        "letter_name_ipa": "[ɾe]",
        "letter_sound_ipa": "[ɾe]",
        "roman_letter": "re"
    },
    {
        "letter": "レ",
        "letter_name_ipa": "[ɾe]",
        "letter_sound_ipa": "[ɾe]",
        "roman_letter": "re"
    },
    {
        "letter": "ろ",
        "letter_name_ipa": "[ɾo]",
        "letter_sound_ipa": "[ɾo]",
        "roman_letter": "ro"
    },
    {
        "letter": "ロ",
        "letter_name_ipa": "[ɾo]",
        "letter_sound_ipa": "[ɾo]",
        "roman_letter": "ro"
    },
    {
        "letter": "わ",
        "letter_name_ipa": "[wa]",
        "letter_sound_ipa": "[wa]",
        "roman_letter": "wa"
    },
    {
        "letter": "ワ",
        "letter_name_ipa": "[wa]",
        "letter_sound_ipa": "[wa]",
        "roman_letter": "wa"
    },
    {
        "letter": "を",
        "letter_name_ipa": "[o]",
        "letter_sound_ipa": "[o]",
        "roman_letter": "wo"
    },
    {
        "letter": "ヲ",
        "letter_name_ipa": "[o]",
        "letter_sound_ipa": "[o]",
        "roman_letter": "wo"
    },
    {
        "letter": "ん",
        "letter_name_ipa": "[n]",
        "letter_sound_ipa": "[n], [m], [ŋ]",
        "roman_letter": "n"
    },
    {
        "letter": "ン",
        "letter_name_ipa": "[n]",
        "letter_sound_ipa": "[n], [m], [ŋ]",
        "roman_letter": "n"
    }
]