they're selling flowers
they sell flower
pro:sub part n
they're selling flowers .
ð eɪ ɚ WORD_BOUNDARY s ɛ l ɪ ŋ WORD_BOUNDARY f l aʊ ɚ z WORD_BOUNDARY
t h e y ' r e WORD_BOUNDARY s e l l i n g WORD_BOUNDARY f l o w e r s WORD_BOUNDARY