heybruni
nafnorð karlkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.heybruniheybruninnnf.heybrunarheybrunarnir
þf.heybrunaheybrunannþf.heybrunaheybrunana
þgf.heybrunaheybrunanumþgf.heybrunumheybrununum
ef.heybrunaheybrunansef.heybrunaheybrunanna