derays edrays dreays rdeays erdays redays dearys edarys daerys aderys eadrys aedrys draeys rdaeys dareys adreys radeys ardeys eradys readys eardys aerdys raedys aredys deryas edryas dreyas rdeyas erdyas redyas deyras edyras dyeras yderas eydras yedras dryeas rdyeas dyreas ydreas rydeas yrdeas erydas reydas eyrdas yerdas ryedas yredas deayrs edayrs daeyrs adeyrs eadyrs aedyrs deyars edyars dyears ydears eydars yedars dayers adyers dyaers ydaers ayders yaders eaydrs aeydrs eyadrs yeadrs ayedrs yaedrs drayes rdayes daryes adryes radyes ardyes dryaes rdyaes dyraes ydraes rydaes yrdaes dayres adyres dyares ydares aydres yadres raydes arydes ryades yrades ayrdes yardes erayds reayds earyds aeryds raeyds areyds eryads reyads eyrads yerads ryeads yreads eayrds aeyrds eyards yeards ayerds yaerds rayeds aryeds ryaeds yraeds ayreds yareds derasy edrasy dreasy rdeasy erdasy redasy dearsy edarsy daersy adersy eadrsy aedrsy draesy rdaesy daresy adresy radesy ardesy eradsy readsy eardsy aerdsy raedsy aredsy dersay edrsay dresay rdesay erdsay redsay desray edsray dseray sderay esdray sedray drseay rdseay dsreay sdreay rsdeay srdeay ersday resday esrday serday rseday sreday deasry edasry daesry adesry eadsry aedsry desary edsary dseary sdeary esdary sedary dasery adsery dsaery sdaery asdery sadery easdry aesdry esadry seadry asedry saedry drasey rdasey darsey adrsey radsey ardsey drsaey rdsaey dsraey sdraey rsdaey srdaey dasrey adsrey dsarey sdarey asdrey sadrey rasdey arsdey rsadey sradey asrdey sardey erasdy reasdy earsdy aersdy raesdy aresdy ersady resady esrady serady rseady sready easrdy aesrdy esardy seardy aserdy saerdy rasedy arsedy rsaedy sraedy asredy saredy derysa edrysa dreysa rdeysa erdysa redysa deyrsa edyrsa dyersa ydersa eydrsa yedrsa dryesa rdyesa dyresa ydresa rydesa yrdesa erydsa reydsa eyrdsa yerdsa ryedsa yredsa dersya edrsya dresya rdesya erdsya redsya desrya edsrya dserya sderya esdrya sedrya drseya rdseya dsreya sdreya rsdeya srdeya ersdya resdya esrdya serdya rsedya sredya deysra edysra dyesra ydesra eydsra yedsra desyra edsyra dseyra sdeyra esdyra sedyra dysera ydsera dsyera sdyera ysdera sydera eysdra yesdra esydra seydra ysedra syedra drysea rdysea dyrsea ydrsea rydsea yrdsea drsyea rdsyea dsryea sdryea rsdyea srdyea dysrea ydsrea dsyrea sdyrea ysdrea sydrea rysdea yrsdea rsydea srydea ysrdea syrdea erysda reysda eyrsda yersda ryesda yresda ersyda resyda esryda seryda rseyda sreyda eysrda yesrda esyrda seyrda yserda syerda ryseda yrseda rsyeda sryeda ysreda syreda deaysr edaysr daeysr adeysr eadysr aedysr deyasr edyasr dyeasr ydeasr eydasr yedasr dayesr adyesr dyaesr ydaesr aydesr yadesr eaydsr aeydsr eyadsr yeadsr ayedsr yaedsr deasyr edasyr daesyr adesyr eadsyr aedsyr desayr edsayr dseayr sdeayr esdayr sedayr daseyr adseyr dsaeyr sdaeyr asdeyr sadeyr easdyr aesdyr esadyr seadyr asedyr saedyr deysar edysar dyesar ydesar eydsar yedsar desyar edsyar dseyar sdeyar esdyar sedyar dysear ydsear dsyear sdyear ysdear sydear eysdar yesdar esydar seydar ysedar syedar dayser adyser dyaser ydaser aydser yadser dasyer adsyer dsayer sdayer asdyer sadyer dysaer ydsaer dsyaer sdyaer ysdaer sydaer aysder yasder asyder sayder ysader syader eaysdr aeysdr eyasdr yeasdr ayesdr yaesdr easydr aesydr esaydr seaydr aseydr saeydr eysadr yesadr esyadr seyadr yseadr syeadr aysedr yasedr asyedr sayedr ysaedr syaedr drayse rdayse daryse adryse radyse ardyse dryase rdyase dyrase ydrase rydase yrdase dayrse adyrse dyarse ydarse aydrse yadrse raydse arydse ryadse yradse ayrdse yardse drasye rdasye darsye adrsye radsye ardsye drsaye rdsaye dsraye sdraye rsdaye srdaye dasrye adsrye dsarye sdarye asdrye sadrye rasdye arsdye rsadye sradye asrdye sardye drysae rdysae dyrsae ydrsae rydsae yrdsae drsyae rdsyae dsryae sdryae rsdyae srdyae dysrae ydsrae dsyrae sdyrae ysdrae sydrae rysdae yrsdae rsydae srydae ysrdae syrdae daysre adysre dyasre ydasre aydsre yadsre dasyre adsyre dsayre sdayre asdyre sadyre dysare ydsare dsyare sdyare ysdare sydare aysdre yasdre asydre saydre ysadre syadre raysde arysde ryasde yrasde ayrsde yarsde rasyde arsyde rsayde srayde asryde saryde rysade yrsade rsyade sryade ysrade syrade aysrde yasrde asyrde sayrde ysarde syarde eraysd reaysd earysd aerysd raeysd areysd eryasd reyasd eyrasd yerasd ryeasd yreasd eayrsd aeyrsd eyarsd yearsd ayersd yaersd rayesd aryesd ryaesd yraesd ayresd yaresd erasyd reasyd earsyd aersyd raesyd aresyd ersayd resayd esrayd serayd rseayd sreayd easryd aesryd esaryd searyd aseryd saeryd raseyd arseyd rsaeyd sraeyd asreyd sareyd erysad reysad eyrsad yersad ryesad yresad ersyad resyad esryad seryad rseyad sreyad eysrad yesrad esyrad seyrad yserad syerad rysead yrsead rsyead sryead ysread syread eaysrd aeysrd eyasrd yeasrd ayesrd yaesrd easyrd aesyrd esayrd seayrd aseyrd saeyrd eysard yesard esyard seyard yseard syeard ayserd yaserd asyerd sayerd ysaerd syaerd raysed arysed ryased yrased ayrsed yarsed rasyed arsyed rsayed srayed asryed saryed rysaed yrsaed rsyaed sryaed ysraed syraed aysred yasred asyred sayred ysared syared
Note: these 'words' (valid or invalid) are all the permutations of the word derays. These words are obtained by scrambling the letters in derays.