koko ni koko ni yattara koko ni koko ni
koko ni koko ni yattara koko ni koko ni .
k o k o WORD_BOUNDARY n i WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY j a t t a r a WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY
k o k o WORD_BOUNDARY n i WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY y a t t a r a WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY k o k o WORD_BOUNDARY n i WORD_BOUNDARY