fink[10], info[8], ikon[8], kino[8], fron[8], korn[8], fror[8], firn[7], kirn[7], rink[7], kirr[7], noir[5], roin[5],
koi[7], fon[7], kor[7], kir[6], ion[4], roi[4], irr[3],
on[3], in[2],
