think they're birds
think they bird
v pro:sub n
think they're birds?
θ ɪ ŋ k WORD_BOUNDARY ð eɪ ə ɹ WORD_BOUNDARY b ɜː d z WORD_BOUNDARY
t h i n k WORD_BOUNDARY t h e y ' r e WORD_BOUNDARY b i r d s ? WORD_BOUNDARY