maybe they're sleeping
maybe they sleep
adv pro:sub part
maybe they're sleeping .
m eɪ b iː WORD_BOUNDARY ð eɪ ɚ WORD_BOUNDARY s l iː p ɪ ŋ WORD_BOUNDARY
m a y b e WORD_BOUNDARY t h e y ' r e WORD_BOUNDARY s l e e p i n g WORD_BOUNDARY