firmurd(i)ren s. firmurd(i)ren sw. v. I. — fir-
murnen s. firmurnen sw. v. I. — firmusken s. fir-
musken sw. v. I. — firnâen s. firnâen sw. v. I. —
firneinen s. firneinen sw. v. I. — firneman s. fir-
neman st. v. IV.