they're not they're planets
they not they planet
pro:sub neg pro:sub n
they're not they're planets.
ð eɪ ə ɹ WORD_BOUNDARY n ɑ t WORD_BOUNDARY ð eɪ ə ɹ WORD_BOUNDARY p l æ n ɪ t s WORD_BOUNDARY
t h e y ' r e WORD_BOUNDARY n o t WORD_BOUNDARY t h e y ' r e WORD_BOUNDARY p l a n e t s . WORD_BOUNDARY