wanwan doko ni ita no
wanwan doko ni ita no ?
w a n w a n WORD_BOUNDARY d o k o WORD_BOUNDARY n i WORD_BOUNDARY i t a WORD_BOUNDARY n o WORD_BOUNDARY
w a n w a n WORD_BOUNDARY d o k o WORD_BOUNDARY n i WORD_BOUNDARY i t a WORD_BOUNDARY n o WORD_BOUNDARY