hana ni irenai hana ni irenai
hana ni irenai hana ni irenai .
h a n a WORD_BOUNDARY n i WORD_BOUNDARY i r e n a i WORD_BOUNDARY h a n a WORD_BOUNDARY n i WORD_BOUNDARY i r e n a i WORD_BOUNDARY
h a n a WORD_BOUNDARY n i WORD_BOUNDARY i r e n a i WORD_BOUNDARY h a n a WORD_BOUNDARY n i WORD_BOUNDARY i r e n a i WORD_BOUNDARY