dreyrahyrnirnafnorð karlkyn · grasafræðiBeygingeintalaán greinismeð greininf.dreyrahyrnirdreyrahyrnirinnþf.dreyrahyrnidreyrahyrninnþgf.dreyrahyrnidreyrahyrninumef.dreyrahyrnisdreyrahyrnisinsnf.þf.þgf.ef.