they're pretty smart kids
they pretty smart kid
pro:sub adv adj n
they're pretty smart kids.
ð eɪ ə ɹ WORD_BOUNDARY p ɹ ɪ t i WORD_BOUNDARY s m ɑ ɹ t WORD_BOUNDARY k ɪ d z WORD_BOUNDARY
t h e y ' r e WORD_BOUNDARY p r e t t y WORD_BOUNDARY s m a r t WORD_BOUNDARY k i d s . WORD_BOUNDARY