this is a firefighter
this is a firefighter .
ð ɪ s WORD_BOUNDARY ɪ z WORD_BOUNDARY ʌ WORD_BOUNDARY f aɪ ə ɹ f aɪ t ə ɹ 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