Sharon couldn't have said it better about possible pronunciation of Dover. For what it's worth I grew up in York Co. SC and say it more along the lines of DOWVER. Although SC/NC accents are rich and varied, I can't think of a way to say it Southern that would translate to DEAVER - that sounds more New Englandish to me. The people on the outer banks of NC were said to have spoken the "King's English" at least until recent years and I'm not sure how they would say it. Also, not sure how a German accent (German settlements were also common in many of the parts of NC and SC that show up in discussions on this list) would translate it, or for that matter, the many Scots-Irish who were abundant along side (but not usually co-mingled with in the early days of settlement) the German groups.