kore doko ni atta no
kore doko ni atta no ?
k o r e WORD_BOUNDARY d o k o WORD_BOUNDARY n i WORD_BOUNDARY a t t a WORD_BOUNDARY n o WORD_BOUNDARY
k o r e WORD_BOUNDARY d o k o WORD_BOUNDARY n i WORD_BOUNDARY a t t a WORD_BOUNDARY n o WORD_BOUNDARY