drecks rdecks dercks edrcks redcks erdcks drceks rdceks dcreks cdreks rcdeks crdeks decrks edcrks dcerks cderks ecdrks cedrks recdks ercdks rcedks credks ecrdks cerdks drekcs rdekcs derkcs edrkcs redkcs erdkcs drkecs rdkecs dkrecs kdrecs rkdecs krdecs dekrcs edkrcs dkercs kdercs ekdrcs kedrcs rekdcs erkdcs rkedcs kredcs ekrdcs kerdcs drckes rdckes dcrkes cdrkes rcdkes crdkes drkces rdkces dkrces kdrces rkdces krdces dckres cdkres dkcres kdcres ckdres kcdres rckdes crkdes rkcdes krcdes ckrdes kcrdes deckrs edckrs dcekrs cdekrs ecdkrs cedkrs dekcrs edkcrs dkecrs kdecrs ekdcrs kedcrs dckers cdkers dkcers kdcers ckders kcders eckdrs cekdrs ekcdrs kecdrs ckedrs kcedrs reckds erckds rcekds crekds ecrkds cerkds rekcds erkcds rkecds krecds ekrcds kercds rckeds crkeds rkceds krceds ckreds kcreds eckrds cekrds ekcrds kecrds ckerds kcerds drecsk rdecsk dercsk edrcsk redcsk erdcsk drcesk rdcesk dcresk cdresk rcdesk crdesk decrsk edcrsk dcersk cdersk ecdrsk cedrsk recdsk ercdsk rcedsk credsk ecrdsk cerdsk dresck rdesck dersck edrsck redsck erdsck drseck rdseck dsreck sdreck rsdeck srdeck desrck edsrck dserck sderck esdrck sedrck resdck ersdck rsedck sredck esrdck serdck drcsek rdcsek dcrsek cdrsek rcdsek crdsek drscek rdscek dsrcek sdrcek rsdcek srdcek dcsrek cdsrek dscrek sdcrek csdrek scdrek rcsdek crsdek rscdek srcdek csrdek scrdek decsrk edcsrk dcesrk cdesrk ecdsrk cedsrk descrk edscrk dsecrk sdecrk esdcrk sedcrk dcserk cdserk dscerk sdcerk csderk scderk ecsdrk cesdrk escdrk secdrk csedrk scedrk recsdk ercsdk rcesdk cresdk ecrsdk cersdk rescdk erscdk rsecdk srecdk esrcdk sercdk rcsedk crsedk rscedk srcedk csredk scredk ecsrdk cesrdk escrdk secrdk cserdk scerdk dreksc rdeksc derksc edrksc redksc erdksc drkesc rdkesc dkresc kdresc rkdesc krdesc dekrsc edkrsc dkersc kdersc ekdrsc kedrsc rekdsc erkdsc rkedsc kredsc ekrdsc kerdsc dreskc rdeskc derskc edrskc redskc erdskc drsekc rdsekc dsrekc sdrekc rsdekc srdekc desrkc edsrkc dserkc sderkc esdrkc sedrkc resdkc ersdkc rsedkc sredkc esrdkc serdkc drksec rdksec dkrsec kdrsec rkdsec krdsec drskec rdskec dsrkec sdrkec rsdkec srdkec dksrec kdsrec dskrec sdkrec ksdrec skdrec rksdec krsdec rskdec srkdec ksrdec skrdec deksrc edksrc dkesrc kdesrc ekdsrc kedsrc deskrc edskrc dsekrc sdekrc esdkrc sedkrc dkserc kdserc dskerc sdkerc ksderc skderc eksdrc kesdrc eskdrc sekdrc ksedrc skedrc reksdc erksdc rkesdc kresdc ekrsdc kersdc reskdc erskdc rsekdc srekdc esrkdc serkdc rksedc krsedc rskedc srkedc ksredc skredc eksrdc kesrdc eskrdc sekrdc kserdc skerdc drckse rdckse dcrkse cdrkse rcdkse crdkse drkcse rdkcse dkrcse kdrcse rkdcse krdcse dckrse cdkrse dkcrse kdcrse ckdrse kcdrse rckdse crkdse rkcdse krcdse ckrdse kcrdse drcske rdcske dcrske cdrske rcdske crdske drscke rdscke dsrcke sdrcke rsdcke srdcke dcsrke cdsrke dscrke sdcrke csdrke scdrke rcsdke crsdke rscdke srcdke csrdke scrdke drksce rdksce dkrsce kdrsce rkdsce krdsce drskce rdskce dsrkce sdrkce rsdkce srdkce dksrce kdsrce dskrce sdkrce ksdrce skdrce rksdce krsdce rskdce srkdce ksrdce skrdce dcksre cdksre dkcsre kdcsre ckdsre kcdsre dcskre cdskre dsckre sdckre csdkre scdkre dkscre kdscre dskcre sdkcre ksdcre skdcre cksdre kcsdre cskdre sckdre kscdre skcdre rcksde crksde rkcsde krcsde ckrsde kcrsde rcskde crskde rsckde srckde csrkde scrkde rkscde krscde rskcde srkcde ksrcde skrcde cksrde kcsrde cskrde sckrde kscrde skcrde decksr edcksr dceksr cdeksr ecdksr cedksr dekcsr edkcsr dkecsr kdecsr ekdcsr kedcsr dckesr cdkesr dkcesr kdcesr ckdesr kcdesr eckdsr cekdsr ekcdsr kecdsr ckedsr kcedsr decskr edcskr dceskr cdeskr ecdskr cedskr desckr edsckr dseckr sdeckr esdckr sedckr dcsekr cdsekr dscekr sdcekr csdekr scdekr ecsdkr cesdkr escdkr secdkr csedkr scedkr dekscr edkscr dkescr kdescr ekdscr kedscr deskcr edskcr dsekcr sdekcr esdkcr sedkcr dksecr kdsecr dskecr sdkecr ksdecr skdecr eksdcr kesdcr eskdcr sekdcr ksedcr skedcr dckser cdkser dkcser kdcser ckdser kcdser dcsker cdsker dscker sdcker csdker scdker dkscer kdscer dskcer sdkcer ksdcer skdcer cksder kcsder cskder sckder kscder skcder ecksdr ceksdr ekcsdr kecsdr ckesdr kcesdr ecskdr ceskdr esckdr seckdr csekdr scekdr ekscdr kescdr eskcdr sekcdr ksecdr skecdr cksedr kcsedr cskedr sckedr kscedr skcedr recksd ercksd rceksd creksd ecrksd cerksd rekcsd erkcsd rkecsd krecsd ekrcsd kercsd rckesd crkesd rkcesd krcesd ckresd kcresd eckrsd cekrsd ekcrsd kecrsd ckersd kcersd recskd ercskd rceskd creskd ecrskd cerskd resckd ersckd rseckd sreckd esrckd serckd rcsekd crsekd rscekd srcekd csrekd screkd ecsrkd cesrkd escrkd secrkd cserkd scerkd rekscd erkscd rkescd krescd ekrscd kerscd reskcd erskcd rsekcd srekcd esrkcd serkcd rksecd krsecd rskecd srkecd ksrecd skrecd eksrcd kesrcd eskrcd sekrcd ksercd skercd rcksed crksed rkcsed krcsed ckrsed kcrsed rcsked crsked rscked srcked csrked scrked rksced krsced rskced srkced ksrced skrced cksred kcsred cskred sckred kscred skcred ecksrd ceksrd ekcsrd kecsrd ckesrd kcesrd ecskrd ceskrd esckrd seckrd csekrd scekrd ekscrd kescrd eskcrd sekcrd ksecrd skecrd ckserd kcserd cskerd sckerd kscerd skcerd
Note: these 'words' (valid or invalid) are all the permutations of the word drecks. These words are obtained by scrambling the letters in drecks.