n doo shita no
n doo su no
co:i adv:deic:wh v:ir n:fml
n doo shita no ?
n WORD_BOUNDARY d oː WORD_BOUNDARY ʃ i t a WORD_BOUNDARY n o WORD_BOUNDARY
n WORD_BOUNDARY d o o WORD_BOUNDARY s h i t a WORD_BOUNDARY n o WORD_BOUNDARY