um I'm sure they sleep
um i'm sure they sleep .
ʌ m WORD_BOUNDARY aɪ m WORD_BOUNDARY ʃ ʊ ɹ WORD_BOUNDARY ð eɪ WORD_BOUNDARY s l iː p WORD_BOUNDARY
u m WORD_BOUNDARY i ' m WORD_BOUNDARY s u r e WORD_BOUNDARY t h e y WORD_BOUNDARY s l e e p WORD_BOUNDARY