rustinafnorð karlkynBeygingeintalafleirtalaán greinismeð greinián greinismeð greininf.rustirustinnnf.rustarrustarnirþf.rustarustannþf.rustarustanaþgf.rustarustanumþgf.rustumrustunumef.rustarustansef.rustarustannanf.þf.þgf.ef.nf.þf.þgf.ef.