Mit & ohne Tippfehler:

ffermann, fofermann, iffermann, kffermann, lffermann, mffermann, o+ffermann, obfermann, ocfermann, odfermann, oefermann, of+fermann, ofbermann, ofcermann, ofdermann, ofeermann, ofefrmann, ofermann, off+ermann, offarmann, offdrmann, offe+rmann, offedmann, offeemann, offeermann, offefmann, offegmann, offemann, offemrann, offer+mann, offeramnn, offerann, offerlann, offerm+ann, offerma+nn, offermaann, offermabn, offermagn, offermahn, offermajn, offerman, offermanb, offermang, offermanh, offermanj, offermannn, offermenn, offermmann, offermnan, offermnn, offermqnn, offermsnn, offermznn, offeroann, offerpann, offerrmann, offerrnann, offetmann, offfermann, offfrmann, offirmann, offremann, offrmann, offrrmann, offsrmann, offzrmann, offärmann, ofgermann, ofphermann, ofrermann, oftermann, ofvermann, ogfermann, ooffermann, ophfermann, orfermann, otfermann, ovfermann, pffermann, uffermann