I'm not quite sure how it works
i'm not quite sure how it works .
aɪ m WORD_BOUNDARY n ɑː t WORD_BOUNDARY k w aɪ t WORD_BOUNDARY ʃ ʊ ɹ WORD_BOUNDARY h aʊ WORD_BOUNDARY ɪ t WORD_BOUNDARY w ɜː k s WORD_BOUNDARY
i ' m WORD_BOUNDARY n o t WORD_BOUNDARY q u i t e WORD_BOUNDARY s u r e WORD_BOUNDARY h o w WORD_BOUNDARY i t WORD_BOUNDARY w o r k s WORD_BOUNDARY