ato nani ga atta kke
ato nani ga atta kke ?
a t o WORD_BOUNDARY n a n i WORD_BOUNDARY g a WORD_BOUNDARY a t t a WORD_BOUNDARY k k e WORD_BOUNDARY
a t o WORD_BOUNDARY n a n i WORD_BOUNDARY g a WORD_BOUNDARY a t t a WORD_BOUNDARY k k e WORD_BOUNDARY