redos erdos rdeos dreos edros deros reods erods roeds oreds eords oerds rdoes droes rodes ordes dores odres edors deors eodrs oedrs doers oders redso erdso rdeso dreso edrso derso resdo ersdo rsedo sredo esrdo serdo rdseo drseo rsdeo srdeo dsreo sdreo edsro desro esdro sedro dsero sdero reosd erosd roesd oresd eorsd oersd resod ersod rseod sreod esrod serod rosed orsed rsoed sroed osred sored eosrd oesrd esord seord oserd soerd rdose drose rodse ordse dorse odrse rdsoe drsoe rsdoe srdoe dsroe sdroe rosde orsde rsode srode osrde sorde dosre odsre dsore sdore osdre sodre edosr deosr eodsr oedsr doesr odesr edsor desor esdor sedor dseor sdeor eosdr oesdr esodr seodr osedr soedr doser odser dsoer sdoer osder soder
Note: these 'words' (valid or invalid) are all the permutations of the word redos. These words are obtained by scrambling the letters in redos.