a kore doko ni atta kke
a kore doko ni atta kke ?
a WORD_BOUNDARY k o r e WORD_BOUNDARY d o k o WORD_BOUNDARY n i WORD_BOUNDARY a t t a WORD_BOUNDARY k k e WORD_BOUNDARY
a WORD_BOUNDARY k o r e WORD_BOUNDARY d o k o WORD_BOUNDARY n i WORD_BOUNDARY a t t a WORD_BOUNDARY k k e WORD_BOUNDARY