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