carven acrven craven rcaven arcven racven cavren acvren cvaren vcaren avcren vacren crvaen rcvaen cvraen vcraen rvcaen vrcaen arvcen ravcen avrcen varcen rvacen vracen carevn acrevn craevn rcaevn arcevn racevn caervn acervn cearvn ecarvn aecrvn eacrvn creavn rceavn ceravn ecravn recavn ercavn arecvn raecvn aercvn earcvn reacvn eracvn cavern acvern cvaern vcaern avcern vacern caevrn acevrn ceavrn ecavrn aecvrn eacvrn cvearn vcearn cevarn ecvarn vecarn evcarn avecrn vaecrn aevcrn eavcrn veacrn evacrn crvean rcvean cvrean vcrean rvcean vrcean crevan rcevan cervan ecrvan recvan ercvan cveran vceran cevran ecvran vecran evcran rvecan vrecan revcan ervcan vercan evrcan arvecn ravecn avrecn varecn rvaecn vraecn arevcn raevcn aervcn earvcn reavcn eravcn avercn vaercn aevrcn eavrcn vearcn evarcn rveacn vreacn revacn ervacn veracn evracn carvne acrvne cravne rcavne arcvne racvne cavrne acvrne cvarne vcarne avcrne vacrne crvane rcvane cvrane vcrane rvcane vrcane arvcne ravcne avrcne varcne rvacne vracne carnve acrnve cranve rcanve arcnve racnve canrve acnrve cnarve ncarve ancrve nacrve crnave rcnave cnrave ncrave rncave nrcave arncve rancve anrcve narcve rnacve nracve cavnre acvnre cvanre vcanre avcnre vacnre canvre acnvre cnavre ncavre ancvre nacvre cvnare vcnare cnvare ncvare vncare nvcare avncre vancre anvcre navcre vnacre nvacre crvnae rcvnae cvrnae vcrnae rvcnae vrcnae crnvae rcnvae cnrvae ncrvae rncvae nrcvae cvnrae vcnrae cnvrae ncvrae vncrae nvcrae rvncae vrncae rnvcae nrvcae vnrcae nvrcae arvnce ravnce avrnce varnce rvance vrance arnvce ranvce anrvce narvce rnavce nravce avnrce vanrce anvrce navrce vnarce nvarce rvnace vrnace rnvace nrvace vnrace nvrace carenv acrenv craenv rcaenv arcenv racenv caernv acernv cearnv ecarnv aecrnv eacrnv creanv rceanv ceranv ecranv recanv ercanv arecnv raecnv aercnv earcnv reacnv eracnv carnev acrnev cranev rcanev arcnev racnev canrev acnrev cnarev ncarev ancrev nacrev crnaev rcnaev cnraev ncraev rncaev nrcaev arncev rancev anrcev narcev rnacev nracev caenrv acenrv ceanrv ecanrv aecnrv eacnrv canerv acnerv cnaerv ncaerv ancerv nacerv cenarv ecnarv cnearv ncearv encarv necarv aencrv eancrv anecrv naecrv enacrv neacrv crenav rcenav cernav ecrnav recnav ercnav crneav rcneav cnreav ncreav rnceav nrceav cenrav ecnrav cnerav ncerav encrav necrav rencav erncav rnecav nrecav enrcav nercav arencv raencv aerncv earncv reancv erancv arnecv ranecv anrecv narecv rnaecv nraecv aenrcv eanrcv anercv naercv enarcv nearcv renacv ernacv rneacv nreacv enracv neracv cavenr acvenr cvaenr vcaenr avcenr vacenr caevnr acevnr ceavnr ecavnr aecvnr eacvnr cveanr vceanr cevanr ecvanr vecanr evcanr avecnr vaecnr aevcnr eavcnr veacnr evacnr cavner acvner cvaner vcaner avcner vacner canver acnver cnaver ncaver ancver nacver cvnaer vcnaer cnvaer ncvaer vncaer nvcaer avncer vancer anvcer navcer vnacer nvacer caenvr acenvr ceanvr ecanvr aecnvr eacnvr canevr acnevr cnaevr ncaevr ancevr nacevr cenavr ecnavr cneavr nceavr encavr necavr aencvr eancvr anecvr naecvr enacvr neacvr cvenar vcenar cevnar ecvnar vecnar evcnar cvnear vcnear cnvear ncvear vncear nvcear cenvar ecnvar cnevar ncevar encvar necvar vencar evncar vnecar nvecar envcar nevcar avencr vaencr aevncr eavncr veancr evancr avnecr vanecr anvecr navecr vnaecr nvaecr aenvcr eanvcr anevcr naevcr enavcr neavcr venacr evnacr vneacr nveacr envacr nevacr crvena rcvena cvrena vcrena rvcena vrcena crevna rcevna cervna ecrvna recvna ercvna cverna vcerna cevrna ecvrna vecrna evcrna rvecna vrecna revcna ervcna vercna evrcna crvnea rcvnea cvrnea vcrnea rvcnea vrcnea crnvea rcnvea cnrvea ncrvea rncvea nrcvea cvnrea vcnrea cnvrea ncvrea vncrea nvcrea rvncea vrncea rnvcea nrvcea vnrcea nvrcea crenva rcenva cernva ecrnva recnva ercnva crneva rcneva cnreva ncreva rnceva nrceva cenrva ecnrva cnerva ncerva encrva necrva rencva erncva rnecva nrecva enrcva nercva cvenra vcenra cevnra ecvnra vecnra evcnra cvnera vcnera cnvera ncvera vncera nvcera cenvra ecnvra cnevra ncevra encvra necvra vencra evncra vnecra nvecra envcra nevcra rvenca vrenca revnca ervnca vernca evrnca rvneca vrneca rnveca nrveca vnreca nvreca renvca ernvca rnevca nrevca enrvca nervca venrca evnrca vnerca nverca envrca nevrca arvenc ravenc avrenc varenc rvaenc vraenc arevnc raevnc aervnc earvnc reavnc eravnc avernc vaernc aevrnc eavrnc vearnc evarnc rveanc vreanc revanc ervanc veranc evranc arvnec ravnec avrnec varnec rvanec vranec arnvec ranvec anrvec narvec rnavec nravec avnrec vanrec anvrec navrec vnarec nvarec rvnaec vrnaec rnvaec nrvaec vnraec nvraec arenvc raenvc aernvc earnvc reanvc eranvc arnevc ranevc anrevc narevc rnaevc nraevc aenrvc eanrvc anervc naervc enarvc nearvc renavc ernavc rneavc nreavc enravc neravc avenrc vaenrc aevnrc eavnrc veanrc evanrc avnerc vanerc anverc naverc vnaerc nvaerc aenvrc eanvrc anevrc naevrc enavrc neavrc venarc evnarc vnearc nvearc envarc nevarc rvenac vrenac revnac ervnac vernac evrnac rvneac vrneac rnveac nrveac vnreac nvreac renvac ernvac rnevac nrevac enrvac nervac venrac evnrac vnerac nverac envrac nevrac
Note: these 'words' (valid or invalid) are all the permutations of the word carven. These words are obtained by scrambling the letters in carven.