More recently I noticed Paul Ryan using the almost-two-syllable short a, as in cyat for cat.
That's a Pennsylvania thing and probably a number of other places.
I know a guy in Pittsburgh named Bawb who has a jawb working in a shawp. I also know a guy in Cleveland named Bob who has a job working in a shop.
I know a goy from lawngoyland who can draw-ur great cartoons. I went to see the guy from Long Island to learn how to draw cartoons.