ncrets cnrets nrcets rncets crnets rcnets ncerts cnerts necrts encrts cenrts ecnrts nrects rnects nercts enrcts rencts erncts crents rcents cernts ecrnts recnts ercnts ncrtes cnrtes nrctes rnctes crntes rcntes nctres cntres ntcres tncres ctnres tcnres nrtces rntces ntrces tnrces rtnces trnces crtnes rctnes ctrnes tcrnes rtcnes trcnes ncetrs cnetrs nectrs enctrs centrs ecntrs ncters cnters ntcers tncers ctners tcners netcrs entcrs ntecrs tnecrs etncrs tencrs cetnrs ectnrs ctenrs tcenrs etcnrs tecnrs nretcs rnetcs nertcs enrtcs rentcs erntcs nrtecs rntecs ntrecs tnrecs rtnecs trnecs netrcs entrcs ntercs tnercs etnrcs tenrcs retncs ertncs rtencs trencs etrncs terncs cretns rcetns certns ecrtns rectns erctns crtens rctens ctrens tcrens rtcens trcens cetrns ectrns cterns tcerns etcrns tecrns retcns ertcns rtecns trecns etrcns tercns ncrest cnrest nrcest rncest crnest rcnest ncerst cnerst necrst encrst cenrst ecnrst nrecst rnecst nercst enrcst rencst erncst crenst rcenst cernst ecrnst recnst ercnst ncrset cnrset nrcset rncset crnset rcnset ncsret cnsret nscret sncret csnret scnret nrscet rnscet nsrcet snrcet rsncet srncet crsnet rcsnet csrnet scrnet rscnet srcnet ncesrt cnesrt necsrt encsrt censrt ecnsrt ncsert cnsert nscert sncert csnert scnert nescrt enscrt nsecrt snecrt esncrt sencrt cesnrt ecsnrt csenrt scenrt escnrt secnrt nresct rnesct nersct enrsct rensct ernsct nrsect rnsect nsrect snrect rsnect srnect nesrct ensrct nserct snerct esnrct senrct resnct ersnct rsenct srenct esrnct sernct cresnt rcesnt cersnt ecrsnt recsnt ercsnt crsent rcsent csrent scrent rscent srcent cesrnt ecsrnt csernt scernt escrnt secrnt rescnt erscnt rsecnt srecnt esrcnt sercnt ncrtse cnrtse nrctse rnctse crntse rcntse nctrse cntrse ntcrse tncrse ctnrse tcnrse nrtcse rntcse ntrcse tnrcse rtncse trncse crtnse rctnse ctrnse tcrnse rtcnse trcnse ncrste cnrste nrcste rncste crnste rcnste ncsrte cnsrte nscrte sncrte csnrte scnrte nrscte rnscte nsrcte snrcte rsncte srncte crsnte rcsnte csrnte scrnte rscnte srcnte nctsre cntsre ntcsre tncsre ctnsre tcnsre ncstre cnstre nsctre snctre csntre scntre ntscre tnscre nstcre sntcre tsncre stncre ctsnre tcsnre cstnre sctnre tscnre stcnre nrtsce rntsce ntrsce tnrsce rtnsce trnsce nrstce rnstce nsrtce snrtce rsntce srntce ntsrce tnsrce nstrce sntrce tsnrce stnrce rtsnce trsnce rstnce srtnce tsrnce strnce crtsne rctsne ctrsne tcrsne rtcsne trcsne crstne rcstne csrtne scrtne rsctne srctne ctsrne tcsrne cstrne sctrne tscrne stcrne rtscne trscne rstcne srtcne tsrcne strcne ncetsr cnetsr nectsr enctsr centsr ecntsr nctesr cntesr ntcesr tncesr ctnesr tcnesr netcsr entcsr ntecsr tnecsr etncsr tencsr cetnsr ectnsr ctensr tcensr etcnsr tecnsr ncestr cnestr necstr encstr censtr ecnstr ncsetr cnsetr nscetr sncetr csnetr scnetr nesctr ensctr nsectr snectr esnctr senctr cesntr ecsntr csentr scentr escntr secntr nctser cntser ntcser tncser ctnser tcnser ncster cnster nscter sncter csnter scnter ntscer tnscer nstcer sntcer tsncer stncer ctsner tcsner cstner sctner tscner stcner netscr entscr ntescr tnescr etnscr tenscr nestcr enstcr nsetcr snetcr esntcr sentcr ntsecr tnsecr nstecr sntecr tsnecr stnecr etsncr tesncr estncr setncr tsencr stencr cetsnr ectsnr ctesnr tcesnr etcsnr tecsnr cestnr ecstnr csetnr scetnr esctnr sectnr ctsenr tcsenr cstenr sctenr tscenr stcenr etscnr tescnr estcnr setcnr tsecnr stecnr nretsc rnetsc nertsc enrtsc rentsc erntsc nrtesc rntesc ntresc tnresc rtnesc trnesc netrsc entrsc ntersc tnersc etnrsc tenrsc retnsc ertnsc rtensc trensc etrnsc ternsc nrestc rnestc nerstc enrstc renstc ernstc nrsetc rnsetc nsretc snretc rsnetc srnetc nesrtc ensrtc nsertc snertc esnrtc senrtc resntc ersntc rsentc srentc esrntc serntc nrtsec rntsec ntrsec tnrsec rtnsec trnsec nrstec rnstec nsrtec snrtec rsntec srntec ntsrec tnsrec nstrec sntrec tsnrec stnrec rtsnec trsnec rstnec srtnec tsrnec strnec netsrc entsrc ntesrc tnesrc etnsrc tensrc nestrc enstrc nsetrc snetrc esntrc sentrc ntserc tnserc nsterc snterc tsnerc stnerc etsnrc tesnrc estnrc setnrc tsenrc stenrc retsnc ertsnc rtesnc tresnc etrsnc tersnc restnc erstnc rsetnc sretnc esrtnc sertnc rtsenc trsenc rstenc srtenc tsrenc strenc etsrnc tesrnc estrnc setrnc tsernc sternc cretsn rcetsn certsn ecrtsn rectsn erctsn crtesn rctesn ctresn tcresn rtcesn trcesn cetrsn ectrsn ctersn tcersn etcrsn tecrsn retcsn ertcsn rtecsn trecsn etrcsn tercsn crestn rcestn cerstn ecrstn recstn ercstn crsetn rcsetn csretn scretn rscetn srcetn cesrtn ecsrtn csertn scertn escrtn secrtn resctn ersctn rsectn srectn esrctn serctn crtsen rctsen ctrsen tcrsen rtcsen trcsen crsten rcsten csrten scrten rscten srcten ctsren tcsren cstren sctren tscren stcren rtscen trscen rstcen srtcen tsrcen strcen cetsrn ectsrn ctesrn tcesrn etcsrn tecsrn cestrn ecstrn csetrn scetrn esctrn sectrn ctsern tcsern cstern sctern tscern stcern etscrn tescrn estcrn setcrn tsecrn stecrn retscn ertscn rtescn trescn etrscn terscn restcn erstcn rsetcn sretcn esrtcn sertcn rtsecn trsecn rstecn srtecn tsrecn strecn etsrcn tesrcn estrcn setrcn tsercn stercn
Note: these 'words' (valid or invalid) are all the permutations of the word ncrets. These words are obtained by scrambling the letters in ncrets.