doo iu koto ka wakannai
doo iu koto ka wakannai .
d oː WORD_BOUNDARY i ɯ WORD_BOUNDARY k o t o WORD_BOUNDARY k a WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY
d o o WORD_BOUNDARY i u WORD_BOUNDARY k o t o WORD_BOUNDARY k a WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY