Wiktionary
ayuh
interj. (context rural New England especially Maine English) yes; an expression of affirmation.
Usage examples of "ayuh".
Pop nodded and said ayuh in what seemed like the right places, although he was more concerned with his imminent demise than with anything the pilot was saying.
The only reason I hadn't seen it before was because I was apt to underestimate her - ayuh, even me, and I knew how sly she could be from time to time.