nani tte wakannai n da ne kitto
nani tte wakannai n da ne kitto .
n a n i WORD_BOUNDARY t t e WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY n e WORD_BOUNDARY k i t t o WORD_BOUNDARY
n a n i WORD_BOUNDARY t t e WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY n e WORD_BOUNDARY k i t t o WORD_BOUNDARY