brus, bruss, chris, chris', chriss, crace, crass, crease, cress, cris, criss, cros, cross, crosse, crouse, cruce, crud, crull, crum, crumb, crumm, crush, crust, crutch, crux, cus, cuss, gruss, klus, kras, krass, kraus, krause, krauss, krausse, kreiss, kress, kresse, kris, kriss, kroese, kross, krouse, kruck, krug, krugh, kruk, krul, krull, krum, krumm, krumme, krupp, krupp's, krutz, kus, kuss, prus, pruss, rus, russ, russe, trus, truss