okaimono kara kaettekita n
okaimono kara kaettekita n .
o k a i m o n o WORD_BOUNDARY k a r a WORD_BOUNDARY k a e t t e k i t a WORD_BOUNDARY n WORD_BOUNDARY
o k a i m o n o WORD_BOUNDARY k a r a WORD_BOUNDARY k a e t t e k i t a WORD_BOUNDARY n WORD_BOUNDARY