why are these different
why are these different ?
w aɪ WORD_BOUNDARY ɑː ɹ WORD_BOUNDARY ð iː z WORD_BOUNDARY d ɪ f ɹ ə n t WORD_BOUNDARY
w h y WORD_BOUNDARY a r e WORD_BOUNDARY t h e s e WORD_BOUNDARY d i f f e r e n t WORD_BOUNDARY