bokan tte itta wa ne
bokan tte itta wa ne .
b o k a n WORD_BOUNDARY t t e WORD_BOUNDARY i t t a WORD_BOUNDARY w a WORD_BOUNDARY n e WORD_BOUNDARY
b o k a n WORD_BOUNDARY t t e WORD_BOUNDARY i t t a WORD_BOUNDARY w a WORD_BOUNDARY n e WORD_BOUNDARY