Burk, Dre, Dru, Berk, Birk, Burg, Burke, Cork, Dack, Dar, Dard, Derek, Dart, Dirke, Deryk, Derik, Darek, Deri, Dick, Dirck, Dor, Dore, Drury, Duke, Dunc, Duran, Yurik, Jurik, Jurek, Dory, Kirk, Kyrk, Kerk, Lark, Mark, Ruark, Rurik, Rurek, Tuck, Turck, Yor