skruggudynurnafnorð karlkynBeygingeintalaán greinismeð greininf.skruggudynurskruggudynurinnþf.skruggudynskruggudyninnþgf.skruggudyn / skruggudyniskruggudyninumef.skruggudynsskruggudynsinsnf.þf.þgf.ef.