that's Sis's birthday cake
that Sis cake
pro:dem adj n
that's sis's birthday cake .
ð æ t s WORD_BOUNDARY s ɪ s ɪ z WORD_BOUNDARY b ɜː θ d eɪ WORD_BOUNDARY k eɪ k WORD_BOUNDARY
t h a t ' s WORD_BOUNDARY s i s ' s WORD_BOUNDARY b i r t h d a y WORD_BOUNDARY c a k e WORD_BOUNDARY