ikkaibarai tte iwanai no
ikkaibarai tte iwanai no ?
i k k a i b a r a i WORD_BOUNDARY t t e WORD_BOUNDARY i w a n a i WORD_BOUNDARY n o WORD_BOUNDARY
i k k a i b a r a i WORD_BOUNDARY t t e WORD_BOUNDARY i w a n a i WORD_BOUNDARY n o WORD_BOUNDARY