redds erdds rdeds dreds edrds derds redds erdds rdeds dreds edrds derds rddes drdes rddes drdes ddres ddres eddrs dedrs eddrs dedrs dders dders redsd erdsd rdesd dresd edrsd dersd resdd ersdd rsedd sredd esrdd serdd rdsed drsed rsded srded dsred sdred edsrd desrd esdrd sedrd dserd sderd redsd erdsd rdesd dresd edrsd dersd resdd ersdd rsedd sredd esrdd serdd rdsed drsed rsded srded dsred sdred edsrd desrd esdrd sedrd dserd sderd rddse drdse rddse drdse ddrse ddrse rdsde drsde rsdde srdde dsrde sdrde rdsde drsde rsdde srdde dsrde sdrde ddsre ddsre dsdre sddre dsdre sddre eddsr dedsr eddsr dedsr ddesr ddesr edsdr desdr esddr seddr dsedr sdedr edsdr desdr esddr seddr dsedr sdedr ddser ddser dsder sdder dsder sdder
Note: these 'words' (valid or invalid) are all the permutations of the word redds. These words are obtained by scrambling the letters in redds.