who's doing dusting
who do dust
pro:rel part part
who's doing dusting ?
h uː z WORD_BOUNDARY d uː ɪ ŋ WORD_BOUNDARY d ʌ s t ɪ ŋ WORD_BOUNDARY
w h o ' s WORD_BOUNDARY d o i n g WORD_BOUNDARY d u s t i n g WORD_BOUNDARY