koko ni ippai aru kara
koko ni ippai aru kara .
k o k o WORD_BOUNDARY n i WORD_BOUNDARY i p p a i WORD_BOUNDARY a r ɯ WORD_BOUNDARY k a r a WORD_BOUNDARY
k o k o WORD_BOUNDARY n i WORD_BOUNDARY i p p a i WORD_BOUNDARY a r u WORD_BOUNDARY k a r a WORD_BOUNDARY