I'm not sure why it does that
i'm not sure why it does that .
aɪ m WORD_BOUNDARY n ɑː t WORD_BOUNDARY ʃ ʊ ɹ WORD_BOUNDARY w aɪ WORD_BOUNDARY ɪ t WORD_BOUNDARY d ʌ z WORD_BOUNDARY ð æ t WORD_BOUNDARY
i ' m WORD_BOUNDARY n o t WORD_BOUNDARY s u r e WORD_BOUNDARY w h y WORD_BOUNDARY i t WORD_BOUNDARY d o e s WORD_BOUNDARY t h a t WORD_BOUNDARY