sorer osrer sroer rsoer orser roser soerr oserr seorr esorr oesrr eosrr sreor rseor seror esror resor ersor oresr roesr oersr eorsr reosr erosr sorre osrre srore rsore orsre rosre sorre osrre srore rsore orsre rosre srroe rsroe srroe rsroe rrsoe rrsoe orrse rorse orrse rorse rrose rrose soerr oserr seorr esorr oesrr eosrr sorer osrer sroer rsoer orser roser seror esror sreor rseor ersor resor oersr eorsr oresr roesr erosr reosr srero rsero serro esrro resro ersro srreo rsreo srreo rsreo rrseo rrseo serro esrro srero rsero ersro resro rerso errso rreso rreso errso rerso orers roers oerrs eorrs reors erors orres rores orres rores rroes rroes oerrs eorrs orers roers erors reors reros erros rreos rreos erros reros
Note: these 'words' (valid or invalid) are all the permutations of the word sorer. These words are obtained by scrambling the letters in sorer.