kore wakannai tte itta yo ne
kore wakannai tte itta yo ne ?
k o r e WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY t t e WORD_BOUNDARY i t t a WORD_BOUNDARY j o WORD_BOUNDARY n e WORD_BOUNDARY
k o r e WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY t t e WORD_BOUNDARY i t t a WORD_BOUNDARY y o WORD_BOUNDARY n e WORD_BOUNDARY