kokkara non no ka na
kokkara non no ka na ?
k o k k a r a WORD_BOUNDARY n o n WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY n a WORD_BOUNDARY
k o k k a r a WORD_BOUNDARY n o n WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY n a WORD_BOUNDARY