hvíthyrnirnafnorð karlkyn · grasafræðiBeygingeintalaán greinismeð greininf.hvíthyrnirhvíthyrnirinnþf.hvíthyrnihvíthyrninnþgf.hvíthyrnihvíthyrninumef.hvíthyrnishvíthyrnisinsnf.þf.þgf.ef.