koo yareba ii no kanaa
koo yareba ii no kanaa ?
k oː WORD_BOUNDARY j a r e b a WORD_BOUNDARY i i WORD_BOUNDARY n o WORD_BOUNDARY k a n aː WORD_BOUNDARY
k o o WORD_BOUNDARY y a r e b a WORD_BOUNDARY i i WORD_BOUNDARY n o WORD_BOUNDARY k a n a a WORD_BOUNDARY