brennsluspíritusnafnorð karlkynBeygingeintalaán greinismeð greininf.brennsluspíritusbrennsluspíritusinnþf.brennsluspíritusbrennsluspíritusinnþgf.brennsluspíritusbrennsluspíritusnumef.brennsluspíritussbrennsluspíritussinsnf.þf.þgf.ef.