For me, from Minnesota, they're all the same: vowel like in "made" [eɪ]. I think the others have vowels like in "bed" [ɛ] and "bad" [æ]. These vowels aren't all

For me, from Minnesota, they're all the same: vowel like in "made" [eɪ]. I think the others have vowels like in "bed" [ɛ] and "bad" [æ]. These vowels aren't allowed before r in my dialect.