what did Mario do
what do Mario do
pro:int mod n:prop v
what did mario do ?
w ʌ t WORD_BOUNDARY d ɪ d WORD_BOUNDARY m ɑː ɹ ɹ ɪ oʊ WORD_BOUNDARY d uː WORD_BOUNDARY
w h a t WORD_BOUNDARY d i d WORD_BOUNDARY m a r i o WORD_BOUNDARY d o WORD_BOUNDARY