cyder ycder cdyer dcyer ydcer dycer cyedr ycedr ceydr ecydr yecdr eycdr cdeyr dceyr cedyr ecdyr decyr edcyr ydecr dyecr yedcr eydcr deycr edycr cydre ycdre cdyre dcyre ydcre dycre cyrde ycrde cryde rcyde yrcde rycde cdrye dcrye crdye rcdye drcye rdcye ydrce dyrce yrdce rydce dryce rdyce cyerd ycerd ceyrd ecyrd yecrd eycrd cyred ycred cryed rcyed yrced ryced ceryd ecryd creyd rceyd ercyd recyd yercd eyrcd yrecd ryecd erycd reycd cdery dcery cedry ecdry decry edcry cdrey dcrey crdey rcdey drcey rdcey cerdy ecrdy credy rcedy ercdy recdy dercy edrcy drecy rdecy erdcy redcy yderc dyerc yedrc eydrc deyrc edyrc ydrec dyrec yrdec rydec dryec rdyec yerdc eyrdc yredc ryedc erydc reydc deryc edryc dreyc rdeyc erdyc redyc
Note: these 'words' (valid or invalid) are all the permutations of the word cyder. These words are obtained by scrambling the letters in cyder.