mask what're you doing
mask what you do
n pro:int pro:per part
mask what're you doing ?
m æ s k WORD_BOUNDARY w ʌ ɾ ɚ WORD_BOUNDARY j uː WORD_BOUNDARY d uː ɪ ŋ WORD_BOUNDARY
m a s k WORD_BOUNDARY w h a t ' r e WORD_BOUNDARY y o u WORD_BOUNDARY d o i n g WORD_BOUNDARY