de nani mita kawa no tokoro de
de nani mita kawa no tokoro de ?
d e WORD_BOUNDARY n a n i WORD_BOUNDARY m i t a WORD_BOUNDARY k a w a WORD_BOUNDARY n o WORD_BOUNDARY t o k o r o WORD_BOUNDARY d e WORD_BOUNDARY
d e WORD_BOUNDARY n a n i WORD_BOUNDARY m i t a WORD_BOUNDARY k a w a WORD_BOUNDARY n o WORD_BOUNDARY t o k o r o WORD_BOUNDARY d e WORD_BOUNDARY