lensta elnsta lnesta nlesta enlsta nelsta lesnta elsnta lsenta slenta eslnta selnta lnseta nlseta lsneta slneta nsleta snleta enslta neslta esnlta senlta nselta snelta lentsa elntsa lnetsa nletsa enltsa neltsa letnsa eltnsa ltensa tlensa etlnsa telnsa lntesa nltesa ltnesa tlnesa ntlesa tnlesa entlsa netlsa etnlsa tenlsa ntelsa tnelsa lestna elstna lsetna sletna esltna seltna letsna eltsna ltesna tlesna etlsna telsna lstena sltena ltsena tlsena stlena tslena estlna setlna etslna teslna stelna tselna lnstea nlstea lsntea slntea nsltea snltea lntsea nltsea ltnsea tlnsea ntlsea tnlsea lstnea sltnea ltsnea tlsnea stlnea tslnea nstlea sntlea ntslea tnslea stnlea tsnlea enstla nestla esntla sentla nsetla snetla entsla netsla etnsla tensla ntesla tnesla estnla setnla etsnla tesnla stenla tsenla nstela sntela ntsela tnsela stnela tsnela lensat elnsat lnesat nlesat enlsat nelsat lesnat elsnat lsenat slenat eslnat selnat lnseat nlseat lsneat slneat nsleat snleat enslat neslat esnlat senlat nselat snelat lenast elnast lneast nleast enlast nelast leanst elanst laenst alenst ealnst aelnst lnaest nlaest lanest alnest nalest anlest enalst nealst eanlst aenlst naelst anelst lesant elsant lseant sleant eslant selant leasnt elasnt laesnt alesnt ealsnt aelsnt lsaent slaent lasent alsent salent aslent esalnt sealnt easlnt aeslnt saelnt aselnt lnsaet nlsaet lsnaet slnaet nslaet snlaet lnaset nlaset lanset alnset nalset anlset lsanet slanet lasnet alsnet salnet aslnet nsalet snalet naslet anslet sanlet asnlet ensalt nesalt esnalt senalt nsealt snealt enaslt neaslt eanslt aenslt naeslt aneslt esanlt seanlt easnlt aesnlt saenlt asenlt nsaelt snaelt naselt anselt sanelt asnelt lentas elntas lnetas nletas enltas neltas letnas eltnas ltenas tlenas etlnas telnas lnteas nlteas ltneas tlneas ntleas tnleas entlas netlas etnlas tenlas ntelas tnelas lenats elnats lneats nleats enlats nelats leants elants laents alents ealnts aelnts lnaets nlaets lanets alnets nalets anlets enalts nealts eanlts aenlts naelts anelts letans eltans lteans tleans etlans telans leatns elatns laetns aletns ealtns aeltns ltaens tlaens latens altens talens atlens etalns tealns eatlns aetlns taelns atelns lntaes nltaes ltnaes tlnaes ntlaes tnlaes lnates nlates lantes alntes naltes anltes ltanes tlanes latnes altnes talnes atlnes ntales tnales natles antles tanles atnles entals netals etnals tenals nteals tneals enatls neatls eantls aentls naetls anetls etanls teanls eatnls aetnls taenls atenls ntaels tnaels natels antels tanels atnels lestan elstan lsetan sletan esltan seltan letsan eltsan ltesan tlesan etlsan telsan lstean sltean ltsean tlsean stlean tslean estlan setlan etslan teslan stelan tselan lesatn elsatn lseatn sleatn eslatn selatn leastn elastn laestn alestn ealstn aelstn lsaetn slaetn lasetn alsetn saletn asletn esaltn sealtn easltn aesltn saeltn aseltn letasn eltasn lteasn tleasn etlasn telasn leatsn elatsn laetsn aletsn ealtsn aeltsn ltaesn tlaesn latesn altesn talesn atlesn etalsn tealsn eatlsn aetlsn taelsn atelsn lstaen sltaen ltsaen tlsaen stlaen tslaen lsaten slaten lasten alsten salten aslten ltasen tlasen latsen altsen talsen atlsen stalen tsalen satlen astlen taslen atslen estaln setaln etsaln tesaln stealn tsealn esatln seatln eastln aestln saetln asetln etasln teasln eatsln aetsln taesln atesln staeln tsaeln sateln asteln taseln atseln lnstae nlstae lsntae slntae nsltae snltae lntsae nltsae ltnsae tlnsae ntlsae tnlsae lstnae sltnae ltsnae tlsnae stlnae tslnae nstlae sntlae ntslae tnslae stnlae tsnlae lnsate nlsate lsnate slnate nslate snlate lnaste nlaste lanste alnste nalste anlste lsante slante lasnte alsnte salnte aslnte nsalte snalte naslte anslte sanlte asnlte lntase nltase ltnase tlnase ntlase tnlase lnatse nlatse lantse alntse naltse anltse ltanse tlanse latnse altnse talnse atlnse ntalse tnalse natlse antlse tanlse atnlse lstane sltane ltsane tlsane stlane tslane lsatne slatne lastne alstne saltne asltne ltasne tlasne latsne altsne talsne atlsne stalne tsalne satlne astlne taslne atslne nstale sntale ntsale tnsale stnale tsnale nsatle snatle nastle anstle santle asntle ntasle tnasle natsle antsle tansle atnsle stanle tsanle satnle astnle tasnle atsnle enstal nestal esntal sental nsetal snetal entsal netsal etnsal tensal ntesal tnesal estnal setnal etsnal tesnal stenal tsenal nsteal snteal ntseal tnseal stneal tsneal ensatl nesatl esnatl senatl nseatl sneatl enastl neastl eanstl aenstl naestl anestl esantl seantl easntl aesntl saentl asentl nsaetl snaetl nasetl ansetl sanetl asnetl entasl netasl etnasl tenasl nteasl tneasl enatsl neatsl eantsl aentsl naetsl anetsl etansl teansl eatnsl aetnsl taensl atensl ntaesl tnaesl natesl antesl tanesl atnesl estanl setanl etsanl tesanl steanl tseanl esatnl seatnl eastnl aestnl saetnl asetnl etasnl teasnl eatsnl aetsnl taesnl atesnl staenl tsaenl satenl astenl tasenl atsenl nstael sntael ntsael tnsael stnael tsnael nsatel snatel nastel anstel santel asntel ntasel tnasel natsel antsel tansel atnsel stanel tsanel satnel astnel tasnel atsnel
Note: these 'words' (valid or invalid) are all the permutations of the word lensta. These words are obtained by scrambling the letters in lensta.