this is a firefighter
this is a firefighter .
ð ɪ s WORD_BOUNDARY ɪ z WORD_BOUNDARY ɐ WORD_BOUNDARY f aɪ ɚ f aɪ ɾ ɚ WORD_BOUNDARY
t h i s WORD_BOUNDARY i s WORD_BOUNDARY a WORD_BOUNDARY f i r e f i g h t e r WORD_BOUNDARY