kankan doko ni yatta no
kankan doko ni yatta no ?
k a n k a n WORD_BOUNDARY d o k o WORD_BOUNDARY n i WORD_BOUNDARY j a t t a WORD_BOUNDARY n o WORD_BOUNDARY
k a n k a n WORD_BOUNDARY d o k o WORD_BOUNDARY n i WORD_BOUNDARY y a t t a WORD_BOUNDARY n o WORD_BOUNDARY