pennabakki
nafnorð karlkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.pennabakkipennabakkinnnf.pennabakkarpennabakkarnir
þf.pennabakkapennabakkannþf.pennabakkapennabakkana
þgf.pennabakkapennabakkanumþgf.pennabökkumpennabökkunum
ef.pennabakkapennabakkansef.pennabakkapennabakkanna