koko ni mo atta wa buubuu
koko ni mo atta wa buubuu .
k o k o WORD_BOUNDARY n i WORD_BOUNDARY m o WORD_BOUNDARY a t t a WORD_BOUNDARY w a WORD_BOUNDARY b ɯː b ɯː WORD_BOUNDARY
k o k o WORD_BOUNDARY n i WORD_BOUNDARY m o WORD_BOUNDARY a t t a WORD_BOUNDARY w a WORD_BOUNDARY b u u b u u WORD_BOUNDARY