eards aerds erads reads areds raeds eadrs aedrs edars dears aders daers erdas redas edras deras rdeas dreas ardes rades adres dares rdaes draes earsd aersd erasd reasd aresd raesd easrd aesrd esard seard aserd saerd ersad resad esrad serad rsead sread arsed rased asred sared rsaed sraed eadsr aedsr edasr deasr adesr daesr easdr aesdr esadr seadr asedr saedr edsar desar esdar sedar dsear sdear adser daser asder sader dsaer sdaer erdsa redsa edrsa dersa rdesa dresa ersda resda esrda serda rseda sreda edsra desra esdra sedra dsera sdera rdsea drsea rsdea srdea dsrea sdrea ardse radse adrse darse rdase drase arsde rasde asrde sarde rsade srade adsre dasre asdre sadre dsare sdare rdsae drsae rsdae srdae dsrae sdrae
Note: these 'words' (valid or invalid) are all the permutations of the word eards. These words are obtained by scrambling the letters in eards.