it doesn't say what
it do say what
pro:per mod v pro:int
it doesn't say what ?
ɪ t WORD_BOUNDARY d ʌ z ə n t WORD_BOUNDARY s eɪ WORD_BOUNDARY w ʌ t WORD_BOUNDARY
i t WORD_BOUNDARY d o e s n ' t WORD_BOUNDARY s a y WORD_BOUNDARY w h a t WORD_BOUNDARY