living in the Midwest I have heard most of these and use several myself. But I always smile when I hear "y'all come". My cousins from Ga. always say that and my grandson who was raised in the Midwest but is now in N. Carolina has started using it. Another one that my cousins in GA say when they are going to take someone someplace - instead of a ride they use "carry". Love to hear them talk with their southern accent.