what do letters do
what do letter do
pro:int v n v
what do letters do ?
w ʌ t WORD_BOUNDARY d uː WORD_BOUNDARY l ɛ ɾ ɚ z WORD_BOUNDARY d uː WORD_BOUNDARY
w h a t WORD_BOUNDARY d o WORD_BOUNDARY l e t t e r s WORD_BOUNDARY d o WORD_BOUNDARY