((("t" "t" "a"). ())(("っ" "ッ" "ｯ") ("た" "タ" "ﾀ")))
((("t" "t" "e"). ())(("っ" "ッ" "ｯ") ("て" "テ" "ﾃ")))
((("t" "t" "i"). ())(("っ" "ッ" "ｯ") ("ち" "チ" "ﾁ")))
((("t" "t" "o"). ())(("っ" "ッ" "ｯ") ("と" "ト" "ﾄ")))
((("t" "t" "u"). ())(("っ" "ッ" "ｯ") ("つ" "ツ" "ﾂ")))