they're heavy aren't they
they're heavy aren't they ?
ð eɪ ɚ WORD_BOUNDARY h ɛ v i WORD_BOUNDARY ɑː ɹ n t WORD_BOUNDARY ð eɪ WORD_BOUNDARY
t h e y ' r e WORD_BOUNDARY h e a v y WORD_BOUNDARY a r e n ' t WORD_BOUNDARY t h e y WORD_BOUNDARY