we're used to saying hippo potamus
we use to say
pro:sub part prep n:gerund
we're used to saying hippo potamus !
w ɪ ɹ WORD_BOUNDARY j uː z d WORD_BOUNDARY t ə WORD_BOUNDARY s eɪ ɪ ŋ WORD_BOUNDARY h ɪ p oʊ WORD_BOUNDARY p ɑː ɾ æ m ə s WORD_BOUNDARY
w e ' r e WORD_BOUNDARY u s e d WORD_BOUNDARY t o WORD_BOUNDARY s a y i n g WORD_BOUNDARY h i p p o WORD_BOUNDARY p o t a m u s WORD_BOUNDARY