sefbakki
nafnorð karlkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.sefbakkisefbakkinnnf.sefbakkarsefbakkarnir
þf.sefbakkasefbakkannþf.sefbakkasefbakkana
þgf.sefbakkasefbakkanumþgf.sefbökkumsefbökkunum
ef.sefbakkasefbakkansef.sefbakkasefbakkanna