koko ni Arika tte kaite
koko ni arika tte kaite !
k o k o WORD_BOUNDARY n i WORD_BOUNDARY a r i k a WORD_BOUNDARY t t e WORD_BOUNDARY k a i t e WORD_BOUNDARY
k o k o WORD_BOUNDARY n i WORD_BOUNDARY a r i k a WORD_BOUNDARY t t e WORD_BOUNDARY k a i t e WORD_BOUNDARY