cercus ecrcus crecus rcecus erccus reccus cecrus eccrus ccerus ccerus eccrus cecrus crceus rcceus ccreus ccreus rcceus crceus erccus reccus ecrcus cercus rcecus crecus cerucs ecrucs creucs rceucs ercucs recucs ceurcs ecurcs cuercs ucercs eucrcs uecrcs cruecs rcuecs curecs ucrecs rucecs urcecs eruccs reuccs eurccs uerccs rueccs ureccs cecurs eccurs cceurs cceurs eccurs cecurs ceucrs ecucrs cuecrs ucecrs euccrs ueccrs ccuers ccuers cucers uccers cucers uccers ecucrs ceucrs euccrs ueccrs cuecrs ucecrs crcues rccues ccrues ccrues rccues crcues cruces rcuces curces ucrces rucces urcces ccures ccures cucres uccres cucres uccres rcuces cruces rucces urcces curces ucrces ercucs recucs ecrucs cerucs rceucs creucs eruccs reuccs eurccs uerccs rueccs ureccs ecurcs ceurcs eucrcs uecrcs cuercs ucercs rcuecs cruecs rucecs urcecs curecs ucrecs cercsu ecrcsu crecsu rcecsu erccsu reccsu cecrsu eccrsu ccersu ccersu eccrsu cecrsu crcesu rccesu ccresu ccresu rccesu crcesu erccsu reccsu ecrcsu cercsu rcecsu crecsu cerscu ecrscu crescu rcescu ercscu recscu cesrcu ecsrcu csercu scercu escrcu secrcu crsecu rcsecu csrecu screcu rscecu srcecu ersccu resccu esrccu serccu rseccu sreccu cecsru eccsru ccesru ccesru eccsru cecsru cescru ecscru csecru scecru esccru seccru ccseru ccseru csceru scceru csceru scceru ecscru cescru esccru seccru csecru scecru crcseu rccseu ccrseu ccrseu rccseu crcseu crsceu rcsceu csrceu scrceu rscceu srcceu ccsreu ccsreu cscreu sccreu cscreu sccreu rcsceu crsceu rscceu srcceu csrceu scrceu ercscu recscu ecrscu cerscu rcescu crescu ersccu resccu esrccu serccu rseccu sreccu ecsrcu cesrcu escrcu secrcu csercu scercu rcsecu crsecu rscecu srcecu csrecu screcu cerusc ecrusc creusc rceusc ercusc recusc ceursc ecursc cuersc ucersc eucrsc uecrsc cruesc rcuesc curesc ucresc rucesc urcesc erucsc reucsc eurcsc uercsc ruecsc urecsc cersuc ecrsuc cresuc rcesuc ercsuc recsuc cesruc ecsruc cseruc sceruc escruc secruc crseuc rcseuc csreuc screuc rsceuc srceuc erscuc rescuc esrcuc sercuc rsecuc srecuc ceusrc ecusrc cuesrc ucesrc eucsrc uecsrc cesurc ecsurc cseurc sceurc escurc securc cuserc ucserc csuerc scuerc uscerc sucerc euscrc uescrc esucrc seucrc usecrc suecrc crusec rcusec cursec ucrsec rucsec urcsec crsuec rcsuec csruec scruec rscuec srcuec cusrec ucsrec csurec scurec uscrec sucrec ruscec urscec rsucec srucec usrcec surcec eruscc reuscc eurscc uerscc ruescc urescc ersucc resucc esrucc serucc rseucc sreucc eusrcc uesrcc esurcc seurcc usercc suercc rusecc ursecc rsuecc sruecc usrecc surecc cecusr eccusr cceusr cceusr eccusr cecusr ceucsr ecucsr cuecsr ucecsr euccsr ueccsr ccuesr ccuesr cucesr uccesr cucesr uccesr ecucsr ceucsr euccsr ueccsr cuecsr ucecsr cecsur eccsur ccesur ccesur eccsur cecsur cescur ecscur csecur scecur esccur seccur ccseur ccseur csceur scceur csceur scceur ecscur cescur esccur seccur csecur scecur ceuscr ecuscr cuescr ucescr eucscr uecscr cesucr ecsucr cseucr sceucr escucr secucr cusecr ucsecr csuecr scuecr uscecr sucecr eusccr uesccr esuccr seuccr useccr sueccr ccuser ccuser cucser uccser cucser uccser ccsuer ccsuer cscuer sccuer cscuer sccuer cuscer ucscer csucer scucer usccer succer cuscer ucscer csucer scucer usccer succer ecuscr ceuscr eucscr uecscr cuescr ucescr ecsucr cesucr escucr secucr cseucr sceucr eusccr uesccr esuccr seuccr useccr sueccr cusecr ucsecr csuecr scuecr uscecr sucecr crcuse rccuse ccruse ccruse rccuse crcuse crucse rcucse curcse ucrcse ruccse urccse ccurse ccurse cucrse uccrse cucrse uccrse rcucse crucse ruccse urccse curcse ucrcse crcsue rccsue ccrsue ccrsue rccsue crcsue crscue rcscue csrcue scrcue rsccue srccue ccsrue ccsrue cscrue sccrue cscrue sccrue rcscue crscue rsccue srccue csrcue scrcue crusce rcusce cursce ucrsce rucsce urcsce crsuce rcsuce csruce scruce rscuce srcuce cusrce ucsrce csurce scurce uscrce sucrce ruscce urscce rsucce srucce usrcce surcce ccusre ccusre cucsre uccsre cucsre uccsre ccsure ccsure cscure sccure cscure sccure cuscre ucscre csucre scucre usccre succre cuscre ucscre csucre scucre usccre succre rcusce crusce rucsce urcsce cursce ucrsce rcsuce crsuce rscuce srcuce csruce scruce ruscce urscce rsucce srucce usrcce surcce cusrce ucsrce csurce scurce uscrce sucrce ercusc recusc ecrusc cerusc rceusc creusc erucsc reucsc eurcsc uercsc ruecsc urecsc ecursc ceursc eucrsc uecrsc cuersc ucersc rcuesc cruesc rucesc urcesc curesc ucresc ercsuc recsuc ecrsuc cersuc rcesuc cresuc erscuc rescuc esrcuc sercuc rsecuc srecuc ecsruc cesruc escruc secruc cseruc sceruc rcseuc crseuc rsceuc srceuc csreuc screuc eruscc reuscc eurscc uerscc ruescc urescc ersucc resucc esrucc serucc rseucc sreucc eusrcc uesrcc esurcc seurcc usercc suercc rusecc ursecc rsuecc sruecc usrecc surecc ecusrc ceusrc eucsrc uecsrc cuesrc ucesrc ecsurc cesurc escurc securc cseurc sceurc euscrc uescrc esucrc seucrc usecrc suecrc cuserc ucserc csuerc scuerc uscerc sucerc rcusec crusec rucsec urcsec cursec ucrsec rcsuec crsuec rscuec srcuec csruec scruec ruscec urscec rsucec srucec usrcec surcec cusrec ucsrec csurec scurec uscrec sucrec
Note: these 'words' (valid or invalid) are all the permutations of the word cercus. These words are obtained by scrambling the letters in cercus.