Alvogen-völlurnafnorð karlkyn · íþróttir, mannvirkiBeygingeintalaán greinismeð greininf.Alvogen-völlurAlvogen-völlurinnþf.Alvogen-völlAlvogen-völlinnþgf.Alvogen-velliAlvogen-vellinumef.Alvogen-vallarAlvogen-vallarinsnf.þf.þgf.ef.