coder ocder cdoer dcoer odcer docer coedr ocedr ceodr ecodr oecdr eocdr cdeor dceor cedor ecdor decor edcor odecr doecr oedcr eodcr deocr edocr codre ocdre cdore dcore odcre docre corde ocrde crode rcode orcde rocde cdroe dcroe crdoe rcdoe drcoe rdcoe odrce dorce ordce rodce droce rdoce coerd ocerd ceord ecord oecrd eocrd cored ocred croed rcoed orced roced cerod ecrod creod rceod ercod recod oercd eorcd orecd roecd erocd reocd cdero dcero cedro ecdro decro edcro cdreo dcreo crdeo rcdeo drceo rdceo cerdo ecrdo credo rcedo ercdo recdo derco edrco dreco rdeco erdco redco oderc doerc oedrc eodrc deorc edorc odrec dorec ordec rodec droec rdoec oerdc eordc oredc roedc erodc reodc deroc edroc dreoc rdeoc erdoc redoc
Note: these 'words' (valid or invalid) are all the permutations of the word coder. These words are obtained by scrambling the letters in coder.