I'm not sure exactly where
I not sure exact where
pro:sub neg adj adv pro:rel
i'm not sure exactly where .
aɪ m WORD_BOUNDARY n ɑ t WORD_BOUNDARY ʃ ʊ ɹ WORD_BOUNDARY ɛ ɡ z æ k t l i WORD_BOUNDARY w ɛ ɹ WORD_BOUNDARY
i ' m WORD_BOUNDARY n o t WORD_BOUNDARY s u r e WORD_BOUNDARY e x a c t l y WORD_BOUNDARY w h e r e WORD_BOUNDARY