ravens arvens rvaens vraens avrens varens raevns arevns reavns eravns aervns earvns rveans vreans revans ervans verans evrans averns vaerns aevrns eavrns vearns evarns ravnes arvnes rvanes vranes avrnes varnes ranves arnves rnaves nraves anrves narves rvnaes vrnaes rnvaes nrvaes vnraes nvraes avnres vanres anvres navres vnares nvares raenvs arenvs reanvs eranvs aernvs earnvs ranevs arnevs rnaevs nraevs anrevs narevs renavs ernavs rneavs nreavs enravs neravs aenrvs eanrvs anervs naervs enarvs nearvs rvenas vrenas revnas ervnas vernas evrnas rvneas vrneas rnveas nrveas vnreas nvreas renvas ernvas rnevas nrevas enrvas nervas venras evnras vneras nveras envras nevras avenrs vaenrs aevnrs eavnrs veanrs evanrs avners vaners anvers navers vnaers nvaers aenvrs eanvrs anevrs naevrs enavrs neavrs venars evnars vnears nvears envars nevars ravesn arvesn rvaesn vraesn avresn varesn raevsn arevsn reavsn eravsn aervsn earvsn rveasn vreasn revasn ervasn verasn evrasn aversn vaersn aevrsn eavrsn vearsn evarsn ravsen arvsen rvasen vrasen avrsen varsen rasven arsven rsaven sraven asrven sarven rvsaen vrsaen rsvaen srvaen vsraen svraen avsren vasren asvren savren vsaren svaren raesvn aresvn reasvn erasvn aersvn earsvn rasevn arsevn rsaevn sraevn asrevn sarevn resavn ersavn rseavn sreavn esravn seravn aesrvn easrvn aservn saervn esarvn searvn rvesan vresan revsan ervsan versan evrsan rvsean vrsean rsvean srvean vsrean svrean resvan ersvan rsevan srevan esrvan servan vesran evsran vseran sveran esvran sevran avesrn vaesrn aevsrn eavsrn veasrn evasrn avsern vasern asvern savern vsaern svaern aesvrn easvrn asevrn saevrn esavrn seavrn vesarn evsarn vsearn svearn esvarn sevarn ravnse arvnse rvanse vranse avrnse varnse ranvse arnvse rnavse nravse anrvse narvse rvnase vrnase rnvase nrvase vnrase nvrase avnrse vanrse anvrse navrse vnarse nvarse ravsne arvsne rvasne vrasne avrsne varsne rasvne arsvne rsavne sravne asrvne sarvne rvsane vrsane rsvane srvane vsrane svrane avsrne vasrne asvrne savrne vsarne svarne ransve arnsve rnasve nrasve anrsve narsve rasnve arsnve rsanve sranve asrnve sarnve rnsave nrsave rsnave srnave nsrave snrave ansrve nasrve asnrve sanrve nsarve snarve rvnsae vrnsae rnvsae nrvsae vnrsae nvrsae rvsnae vrsnae rsvnae srvnae vsrnae svrnae rnsvae nrsvae rsnvae srnvae nsrvae snrvae vnsrae nvsrae vsnrae svnrae nsvrae snvrae avnsre vansre anvsre navsre vnasre nvasre avsnre vasnre asvnre savnre vsanre svanre ansvre nasvre asnvre sanvre nsavre snavre vnsare nvsare vsnare svnare nsvare snvare raensv arensv reansv eransv aernsv earnsv ranesv arnesv rnaesv nraesv anresv naresv renasv ernasv rneasv nreasv enrasv nerasv aenrsv eanrsv anersv naersv enarsv nearsv raesnv aresnv reasnv erasnv aersnv earsnv rasenv arsenv rsaenv sraenv asrenv sarenv resanv ersanv rseanv sreanv esranv seranv aesrnv easrnv asernv saernv esarnv searnv ransev arnsev rnasev nrasev anrsev narsev rasnev arsnev rsanev sranev asrnev sarnev rnsaev nrsaev rsnaev srnaev nsraev snraev ansrev nasrev asnrev sanrev nsarev snarev rensav ernsav rnesav nresav enrsav nersav resnav ersnav rsenav srenav esrnav sernav rnseav nrseav rsneav srneav nsreav snreav ensrav nesrav esnrav senrav nserav snerav aensrv eansrv anesrv naesrv enasrv neasrv aesnrv easnrv asenrv saenrv esanrv seanrv anserv naserv asnerv sanerv nsaerv snaerv ensarv nesarv esnarv senarv nsearv snearv rvensa vrensa revnsa ervnsa vernsa evrnsa rvnesa vrnesa rnvesa nrvesa vnresa nvresa renvsa ernvsa rnevsa nrevsa enrvsa nervsa venrsa evnrsa vnersa nversa envrsa nevrsa rvesna vresna revsna ervsna versna evrsna rvsena vrsena rsvena srvena vsrena svrena resvna ersvna rsevna srevna esrvna servna vesrna evsrna vserna sverna esvrna sevrna rvnsea vrnsea rnvsea nrvsea vnrsea nvrsea rvsnea vrsnea rsvnea srvnea vsrnea svrnea rnsvea nrsvea rsnvea srnvea nsrvea snrvea vnsrea nvsrea vsnrea svnrea nsvrea snvrea rensva ernsva rnesva nresva enrsva nersva resnva ersnva rsenva srenva esrnva sernva rnseva nrseva rsneva srneva nsreva snreva ensrva nesrva esnrva senrva nserva snerva vensra evnsra vnesra nvesra envsra nevsra vesnra evsnra vsenra svenra esvnra sevnra vnsera nvsera vsnera svnera nsvera snvera ensvra nesvra esnvra senvra nsevra snevra avensr vaensr aevnsr eavnsr veansr evansr avnesr vanesr anvesr navesr vnaesr nvaesr aenvsr eanvsr anevsr naevsr enavsr neavsr venasr evnasr vneasr nveasr envasr nevasr avesnr vaesnr aevsnr eavsnr veasnr evasnr avsenr vasenr asvenr savenr vsaenr svaenr aesvnr easvnr asevnr saevnr esavnr seavnr vesanr evsanr vseanr sveanr esvanr sevanr avnser vanser anvser navser vnaser nvaser avsner vasner asvner savner vsaner svaner ansver nasver asnver sanver nsaver snaver vnsaer nvsaer vsnaer svnaer nsvaer snvaer aensvr eansvr anesvr naesvr enasvr neasvr aesnvr easnvr asenvr saenvr esanvr seanvr ansevr nasevr asnevr sanevr nsaevr snaevr ensavr nesavr esnavr senavr nseavr sneavr vensar evnsar vnesar nvesar envsar nevsar vesnar evsnar vsenar svenar esvnar sevnar vnsear nvsear vsnear svnear nsvear snvear ensvar nesvar esnvar senvar nsevar snevar
Note: these 'words' (valid or invalid) are all the permutations of the word ravens. These words are obtained by scrambling the letters in ravens.