ruscat urscat rsucat srucat usrcat surcat rucsat urcsat rcusat crusat ucrsat cursat rscuat srcuat rcsuat crsuat scruat csruat uscrat sucrat ucsrat cusrat scurat csurat rusact ursact rsuact sruact usract suract ruasct urasct rausct arusct uarsct aursct rsauct srauct rasuct arsuct saruct asruct usarct suarct uasrct ausrct saurct asurct rucast urcast rcuast cruast ucrast curast ruacst uracst raucst arucst uarcst aurcst rcaust craust racust arcust carust acrust ucarst cuarst uacrst aucrst caurst acurst rscaut srcaut rcsaut crsaut scraut csraut rsacut sracut rascut arscut sarcut asrcut rcasut crasut racsut arcsut carsut acrsut scarut csarut sacrut ascrut casrut acsrut uscart sucart ucsart cusart scuart csuart usacrt suacrt uascrt auscrt saucrt asucrt ucasrt cuasrt uacsrt aucsrt causrt acusrt scaurt csaurt sacurt ascurt casurt acsurt ruscta urscta rsucta sructa usrcta surcta rucsta urcsta rcusta crusta ucrsta cursta rscuta srcuta rcsuta crsuta scruta csruta uscrta sucrta ucsrta cusrta scurta csurta rustca urstca rsutca srutca usrtca surtca rutsca urtsca rtusca trusca utrsca tursca rstuca srtuca rtsuca trsuca struca tsruca ustrca sutrca utsrca tusrca sturca tsurca ructsa urctsa rcutsa crutsa ucrtsa curtsa rutcsa urtcsa rtucsa trucsa utrcsa turcsa rctusa crtusa rtcusa trcusa ctrusa tcrusa uctrsa cutrsa utcrsa tucrsa ctursa tcursa rsctua srctua rcstua crstua scrtua csrtua rstcua srtcua rtscua trscua strcua tsrcua rctsua crtsua rtcsua trcsua ctrsua tcrsua sctrua cstrua stcrua tscrua ctsrua tcsrua usctra suctra ucstra custra scutra csutra ustcra sutcra utscra tuscra stucra tsucra uctsra cutsra utcsra tucsra ctusra tcusra sctura cstura stcura tscura ctsura tcsura rusatc ursatc rsuatc sruatc usratc suratc ruastc urastc raustc arustc uarstc aurstc rsautc srautc rasutc arsutc sarutc asrutc usartc suartc uasrtc ausrtc saurtc asurtc rustac urstac rsutac srutac usrtac surtac rutsac urtsac rtusac trusac utrsac tursac rstuac srtuac rtsuac trsuac struac tsruac ustrac sutrac utsrac tusrac sturac tsurac ruatsc uratsc rautsc arutsc uartsc aurtsc rutasc urtasc rtuasc truasc utrasc turasc ratusc artusc rtausc trausc atrusc tarusc uatrsc autrsc utarsc tuarsc atursc taursc rsatuc sratuc rastuc arstuc sartuc asrtuc rstauc srtauc rtsauc trsauc strauc tsrauc ratsuc artsuc rtasuc trasuc atrsuc tarsuc satruc astruc staruc tsaruc atsruc tasruc usatrc suatrc uastrc austrc sautrc asutrc ustarc sutarc utsarc tusarc stuarc tsuarc uatsrc autsrc utasrc tuasrc atusrc tausrc saturc asturc staurc tsaurc atsurc tasurc rucats urcats rcuats cruats ucrats curats ruacts uracts raucts aructs uarcts aurcts rcauts crauts racuts arcuts caruts acruts ucarts cuarts uacrts aucrts caurts acurts ructas urctas rcutas crutas ucrtas curtas rutcas urtcas rtucas trucas utrcas turcas rctuas crtuas rtcuas trcuas ctruas tcruas uctras cutras utcras tucras cturas tcuras ruatcs uratcs rautcs arutcs uartcs aurtcs rutacs urtacs rtuacs truacs utracs turacs ratucs artucs rtaucs traucs atrucs tarucs uatrcs autrcs utarcs tuarcs aturcs taurcs rcatus cratus ractus arctus cartus acrtus rctaus crtaus rtcaus trcaus ctraus tcraus ratcus artcus rtacus tracus atrcus tarcus catrus actrus ctarus tcarus atcrus tacrus ucatrs cuatrs uactrs auctrs cautrs acutrs uctars cutars utcars tucars ctuars tcuars uatcrs autcrs utacrs tuacrs atucrs taucrs caturs acturs ctaurs tcaurs atcurs tacurs rscatu srcatu rcsatu crsatu scratu csratu rsactu sractu rasctu arsctu sarctu asrctu rcastu crastu racstu arcstu carstu acrstu scartu csartu sacrtu ascrtu casrtu acsrtu rsctau srctau rcstau crstau scrtau csrtau rstcau srtcau rtscau trscau strcau tsrcau rctsau crtsau rtcsau trcsau ctrsau tcrsau sctrau cstrau stcrau tscrau ctsrau tcsrau rsatcu sratcu rastcu arstcu sartcu asrtcu rstacu srtacu rtsacu trsacu stracu tsracu ratscu artscu rtascu trascu atrscu tarscu satrcu astrcu starcu tsarcu atsrcu tasrcu rcatsu cratsu ractsu arctsu cartsu acrtsu rctasu crtasu rtcasu trcasu ctrasu tcrasu ratcsu artcsu rtacsu tracsu atrcsu tarcsu catrsu actrsu ctarsu tcarsu atcrsu tacrsu scatru csatru sactru asctru castru acstru sctaru cstaru stcaru tscaru ctsaru tcsaru satcru astcru stacru tsacru atscru tascru catsru actsru ctasru tcasru atcsru tacsru uscatr sucatr ucsatr cusatr scuatr csuatr usactr suactr uasctr ausctr sauctr asuctr ucastr cuastr uacstr aucstr caustr acustr scautr csautr sacutr ascutr casutr acsutr usctar suctar ucstar custar scutar csutar ustcar sutcar utscar tuscar stucar tsucar uctsar cutsar utcsar tucsar ctusar tcusar sctuar cstuar stcuar tscuar ctsuar tcsuar usatcr suatcr uastcr austcr sautcr asutcr ustacr sutacr utsacr tusacr stuacr tsuacr uatscr autscr utascr tuascr atuscr tauscr satucr astucr staucr tsaucr atsucr tasucr ucatsr cuatsr uactsr auctsr cautsr acutsr uctasr cutasr utcasr tucasr ctuasr tcuasr uatcsr autcsr utacsr tuacsr atucsr taucsr catusr actusr ctausr tcausr atcusr tacusr scatur csatur sactur asctur castur acstur sctaur cstaur stcaur tscaur ctsaur tcsaur satcur astcur stacur tsacur atscur tascur catsur actsur ctasur tcasur atcsur tacsur
Note: these 'words' (valid or invalid) are all the permutations of the word ruscat. These words are obtained by scrambling the letters in ruscat.