nan no oto kana
nani no oto kanaa
n:deic:wh ptl:attr n ptl:fina
nan no oto kana ?
n a n WORD_BOUNDARY n o WORD_BOUNDARY o t o WORD_BOUNDARY k a n a WORD_BOUNDARY
n a n WORD_BOUNDARY n o WORD_BOUNDARY o t o WORD_BOUNDARY k a n a WORD_BOUNDARY