kaeru doko itta kanaa
kaeru doko itta kanaa ?
k a e r ɯ WORD_BOUNDARY d o k o WORD_BOUNDARY i t t a WORD_BOUNDARY k a n aː WORD_BOUNDARY
k a e r u WORD_BOUNDARY d o k o WORD_BOUNDARY i t t a WORD_BOUNDARY k a n a a WORD_BOUNDARY