ilmgyllirnafnorð karlkyn · grasafræðiBeygingeintalaán greinismeð greininf.ilmgyllirilmgyllirinnþf.ilmgylliilmgyllinnþgf.ilmgylliilmgyllinumef.ilmgyllisilmgyllisinsnf.þf.þgf.ef.