itaiitai nani ga
itaiitai nani ga
n:mot n:deic:wh ptl:case
itaiitai nani ga ?
i t a i i t a i WORD_BOUNDARY n a n i WORD_BOUNDARY g a WORD_BOUNDARY
i t a i i t a i WORD_BOUNDARY n a n i WORD_BOUNDARY g a WORD_BOUNDARY