artels ratels atrels tarels rtaels traels aretls raetls aertls eartls reatls eratls aterls taerls aetrls eatrls tearls etarls rteals treals retals ertals terals etrals artles ratles atrles tarles rtales trales arltes raltes alrtes lartes rlates lrates atlres talres altres latres tlares ltares rtlaes trlaes rltaes lrtaes tlraes ltraes arelts raelts aerlts earlts realts eralts arlets ralets alrets larets rlaets lraets aelrts ealrts alerts laerts elarts learts relats erlats rleats lreats elrats lerats atelrs taelrs aetlrs eatlrs tealrs etalrs atlers talers alters laters tlaers ltaers aeltrs ealtrs aletrs laetrs elatrs leatrs telars etlars tlears ltears eltars letars rtelas trelas retlas ertlas terlas etrlas rtleas trleas rlteas lrteas tlreas ltreas reltas erltas rletas lretas elrtas lertas telras etlras tleras lteras eltras letras artesl ratesl atresl taresl rtaesl traesl aretsl raetsl aertsl eartsl reatsl eratsl atersl taersl aetrsl eatrsl tearsl etarsl rteasl treasl retasl ertasl terasl etrasl artsel ratsel atrsel tarsel rtasel trasel arstel rastel asrtel sartel rsatel sratel atsrel tasrel astrel satrel tsarel starel rtsael trsael rstael srtael tsrael strael arestl raestl aerstl earstl reastl erastl arsetl rasetl asretl saretl rsaetl sraetl aesrtl easrtl asertl saertl esartl seartl resatl ersatl rseatl sreatl esratl seratl atesrl taesrl aetsrl eatsrl teasrl etasrl atserl taserl asterl saterl tsaerl staerl aestrl eastrl asetrl saetrl esatrl seatrl tesarl etsarl tsearl stearl estarl setarl rtesal tresal retsal ertsal tersal etrsal rtseal trseal rsteal srteal tsreal streal restal erstal rsetal sretal esrtal sertal tesral etsral tseral steral estral setral artlse ratlse atrlse tarlse rtalse tralse arltse raltse alrtse lartse rlatse lratse atlrse talrse altrse latrse tlarse ltarse rtlase trlase rltase lrtase tlrase ltrase artsle ratsle atrsle tarsle rtasle trasle arstle rastle asrtle sartle rsatle sratle atsrle tasrle astrle satrle tsarle starle rtsale trsale rstale srtale tsrale strale arlste ralste alrste larste rlaste lraste arslte raslte asrlte sarlte rsalte sralte alsrte lasrte aslrte salrte lsarte slarte rlsate lrsate rslate srlate lsrate slrate atlsre talsre altsre latsre tlasre ltasre atslre taslre astlre satlre tsalre stalre alstre lastre asltre saltre lsatre slatre tlsare ltsare tslare stlare lstare sltare rtlsae trlsae rltsae lrtsae tlrsae ltrsae rtslae trslae rstlae srtlae tsrlae strlae rlstae lrstae rsltae srltae lsrtae slrtae tlsrae ltsrae tslrae stlrae lstrae sltrae arelst raelst aerlst earlst realst eralst arlest ralest alrest larest rlaest lraest aelrst ealrst alerst laerst elarst learst relast erlast rleast lreast elrast lerast areslt raeslt aerslt earslt reaslt eraslt arselt raselt asrelt sarelt rsaelt sraelt aesrlt easrlt aserlt saerlt esarlt searlt resalt ersalt rsealt srealt esralt seralt arlset ralset alrset larset rlaset lraset arslet raslet asrlet sarlet rsalet sralet alsret lasret aslret salret lsaret slaret rlsaet lrsaet rslaet srlaet lsraet slraet aelsrt ealsrt alesrt laesrt elasrt leasrt aeslrt easlrt aselrt saelrt esalrt sealrt alsert lasert aslert salert lsaert slaert elsart lesart eslart selart lseart sleart relsat erlsat rlesat lresat elrsat lersat reslat erslat rselat srelat esrlat serlat rlseat lrseat rsleat srleat lsreat slreat elsrat lesrat eslrat selrat lserat slerat atelsr taelsr aetlsr eatlsr tealsr etalsr atlesr talesr altesr latesr tlaesr ltaesr aeltsr ealtsr aletsr laetsr elatsr leatsr telasr etlasr tleasr lteasr eltasr letasr ateslr taeslr aetslr eatslr teaslr etaslr atselr taselr astelr satelr tsaelr staelr aestlr eastlr asetlr saetlr esatlr seatlr tesalr etsalr tsealr stealr estalr setalr atlser talser altser latser tlaser ltaser atsler tasler astler satler tsaler staler alster laster aslter salter lsater slater tlsaer ltsaer tslaer stlaer lstaer sltaer aelstr ealstr alestr laestr elastr leastr aesltr easltr aseltr saeltr esaltr sealtr alsetr lasetr asletr saletr lsaetr slaetr elsatr lesatr eslatr selatr lseatr sleatr telsar etlsar tlesar ltesar eltsar letsar teslar etslar tselar stelar estlar setlar tlsear ltsear tslear stlear lstear sltear elstar lestar esltar seltar lsetar sletar rtelsa trelsa retlsa ertlsa terlsa etrlsa rtlesa trlesa rltesa lrtesa tlresa ltresa reltsa erltsa rletsa lretsa elrtsa lertsa telrsa etlrsa tlersa ltersa eltrsa letrsa rtesla tresla retsla ertsla tersla etrsla rtsela trsela rstela srtela tsrela strela restla erstla rsetla sretla esrtla sertla tesrla etsrla tserla sterla estrla setrla rtlsea trlsea rltsea lrtsea tlrsea ltrsea rtslea trslea rstlea srtlea tsrlea strlea rlstea lrstea rsltea srltea lsrtea slrtea tlsrea ltsrea tslrea stlrea lstrea sltrea relsta erlsta rlesta lresta elrsta lersta reslta erslta rselta srelta esrlta serlta rlseta lrseta rsleta srleta lsreta slreta elsrta lesrta eslrta selrta lserta slerta telsra etlsra tlesra ltesra eltsra letsra teslra etslra tselra stelra estlra setlra tlsera ltsera tslera stlera lstera sltera elstra lestra esltra seltra lsetra sletra
Note: these 'words' (valid or invalid) are all the permutations of the word artels. These words are obtained by scrambling the letters in artels.