dooyuu fuu ni natteta
dooyuu fuu ni natteta ?
d oː j ɯː WORD_BOUNDARY ɸ ɯː WORD_BOUNDARY n i WORD_BOUNDARY n a t t e t a WORD_BOUNDARY
d o o y u u WORD_BOUNDARY f u u WORD_BOUNDARY n i WORD_BOUNDARY n a t t e t a WORD_BOUNDARY