koppu doko itta no kana
koppu doko itta no kana ?
k o p p ɯ WORD_BOUNDARY d o k o WORD_BOUNDARY i t t a WORD_BOUNDARY n o WORD_BOUNDARY k a n a WORD_BOUNDARY
k o p p u WORD_BOUNDARY d o k o WORD_BOUNDARY i t t a WORD_BOUNDARY n o WORD_BOUNDARY k a n a WORD_BOUNDARY