nai ka to omotte ita
nai ka to omotte ita .
n a i WORD_BOUNDARY k a WORD_BOUNDARY t o WORD_BOUNDARY o m o t t e WORD_BOUNDARY i t a WORD_BOUNDARY
n a i WORD_BOUNDARY k a WORD_BOUNDARY t o WORD_BOUNDARY o m o t t e WORD_BOUNDARY i t a WORD_BOUNDARY