aketara ikenai n da yo
aketara ikenai n da yo .
a k e t a r a WORD_BOUNDARY i k e n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY j o WORD_BOUNDARY
a k e t a r a WORD_BOUNDARY i k e n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY y o WORD_BOUNDARY