doko ni itta ka wakaranai no
doko ni itta ka wakaranai no ?
d o k o WORD_BOUNDARY n i WORD_BOUNDARY i t t a WORD_BOUNDARY k a WORD_BOUNDARY w a k a r a n a i WORD_BOUNDARY n o WORD_BOUNDARY
d o k o WORD_BOUNDARY n i WORD_BOUNDARY i t t a WORD_BOUNDARY k a WORD_BOUNDARY w a k a r a n a i WORD_BOUNDARY n o WORD_BOUNDARY