pii wa koko ni haittenai
pii wa koko ni haittenai ?
p i i WORD_BOUNDARY w a WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY h a i t t e n a i WORD_BOUNDARY
p i i WORD_BOUNDARY w a WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY h a i t t e n a i WORD_BOUNDARY