kokekokko nan tte naita to
kokekokko nan tte naita to ?
k o k e k o k k o WORD_BOUNDARY n a n WORD_BOUNDARY t t e WORD_BOUNDARY n a i t a WORD_BOUNDARY t o WORD_BOUNDARY
k o k e k o k k o WORD_BOUNDARY n a n WORD_BOUNDARY t t e WORD_BOUNDARY n a i t a WORD_BOUNDARY t o WORD_BOUNDARY