kore nani yatta ka na
kore nani yatta ka na .
k o r e WORD_BOUNDARY n a n i WORD_BOUNDARY j a t t a WORD_BOUNDARY k a WORD_BOUNDARY n a WORD_BOUNDARY
k o r e WORD_BOUNDARY n a n i WORD_BOUNDARY y a t t a WORD_BOUNDARY k a WORD_BOUNDARY n a WORD_BOUNDARY