they're heavy too aren't they
they heavy too be they
pro:sub adj adv aux pro:sub
they're heavy too aren't they.
ð eɪ ə ɹ WORD_BOUNDARY h ɛ v i WORD_BOUNDARY t uː WORD_BOUNDARY ɑ ɹ n t WORD_BOUNDARY ð eɪ WORD_BOUNDARY
t h e y ' r e WORD_BOUNDARY h e a v y WORD_BOUNDARY t o o WORD_BOUNDARY a r e n ' t WORD_BOUNDARY t h e y . WORD_BOUNDARY