ko koko ni naraberu kara
ko koko ni naraberu kara .
k o WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY n a r a b e r ɯ WORD_BOUNDARY k a r a WORD_BOUNDARY
k o WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY n a r a b e r u WORD_BOUNDARY k a r a WORD_BOUNDARY