a nanka poki tte iwankatta ima
a nanka poki tte iwankatta ima ?
a WORD_BOUNDARY n a n k a WORD_BOUNDARY p o k i WORD_BOUNDARY t t e WORD_BOUNDARY i w a n k a t t a WORD_BOUNDARY i m a WORD_BOUNDARY
a WORD_BOUNDARY n a n k a WORD_BOUNDARY p o k i WORD_BOUNDARY t t e WORD_BOUNDARY i w a n k a t t a WORD_BOUNDARY i m a WORD_BOUNDARY