ethals tehals ehtals hetals theals hteals etahls teahls eathls aethls taehls atehls ehatls heatls eahtls aehtls haetls ahetls thaels htaels tahels athels hatels ahtels ethlas tehlas ehtlas hetlas thelas htelas etlhas telhas elthas lethas tlehas ltehas ehltas heltas elhtas lehtas hletas lhetas thleas htleas tlheas ltheas hlteas lhteas etalhs tealhs eatlhs aetlhs taelhs atelhs etlahs telahs eltahs letahs tleahs lteahs ealths aelths elaths leaths aleths laeths talehs atlehs tlaehs ltaehs altehs latehs ehalts healts eahlts aehlts haelts ahelts ehlats helats elhats lehats hleats lheats ealhts aelhts elahts leahts alehts laehts halets ahlets hlaets lhaets alhets lahets thales htales tahles athles hatles ahtles thlaes htlaes tlhaes lthaes hltaes lhtaes talhes atlhes tlahes ltahes althes lathes haltes ahltes hlates lhates alhtes lahtes ethasl tehasl ehtasl hetasl theasl hteasl etahsl teahsl eathsl aethsl taehsl atehsl ehatsl heatsl eahtsl aehtsl haetsl ahetsl thaesl htaesl tahesl athesl hatesl ahtesl ethsal tehsal ehtsal hetsal thesal htesal etshal teshal esthal sethal tsehal stehal ehstal hestal eshtal sehtal hsetal shetal thseal htseal tsheal stheal hsteal shteal etashl teashl eatshl aetshl taeshl ateshl etsahl tesahl estahl setahl tseahl steahl easthl aesthl esathl seathl asethl saethl tasehl atsehl tsaehl staehl astehl satehl ehastl heastl eahstl aehstl haestl ahestl ehsatl hesatl eshatl sehatl hseatl sheatl eashtl aeshtl esahtl seahtl asehtl saehtl hasetl ahsetl hsaetl shaetl ashetl sahetl thasel htasel tahsel athsel hatsel ahtsel thsael htsael tshael sthael hstael shtael tashel atshel tsahel stahel asthel sathel hastel ahstel hsatel shatel ashtel sahtel ethlsa tehlsa ehtlsa hetlsa thelsa htelsa etlhsa telhsa elthsa lethsa tlehsa ltehsa ehltsa heltsa elhtsa lehtsa hletsa lhetsa thlesa htlesa tlhesa lthesa hltesa lhtesa ethsla tehsla ehtsla hetsla thesla htesla etshla teshla esthla sethla tsehla stehla ehstla hestla eshtla sehtla hsetla shetla thsela htsela tshela sthela hstela shtela etlsha telsha eltsha letsha tlesha ltesha etslha teslha estlha setlha tselha stelha elstha lestha esltha seltha lsetha sletha tlseha ltseha tsleha stleha lsteha slteha ehlsta helsta elhsta lehsta hlesta lhesta ehslta heslta eshlta sehlta hselta shelta elshta leshta eslhta selhta lsehta slehta hlseta lhseta hsleta shleta lsheta slheta thlsea htlsea tlhsea lthsea hltsea lhtsea thslea htslea tshlea sthlea hstlea shtlea tlshea ltshea tslhea stlhea lsthea slthea hlstea lhstea hsltea shltea lshtea slhtea etalsh tealsh eatlsh aetlsh taelsh atelsh etlash telash eltash letash tleash lteash ealtsh aeltsh elatsh leatsh aletsh laetsh talesh atlesh tlaesh ltaesh altesh latesh etaslh teaslh eatslh aetslh taeslh ateslh etsalh tesalh estalh setalh tsealh stealh eastlh aestlh esatlh seatlh asetlh saetlh taselh atselh tsaelh staelh astelh satelh etlsah telsah eltsah letsah tlesah ltesah etslah teslah estlah setlah tselah stelah elstah lestah esltah seltah lsetah sletah tlseah ltseah tsleah stleah lsteah slteah ealsth aelsth elasth leasth alesth laesth easlth aeslth esalth sealth aselth saelth elsath lesath eslath selath lseath sleath alseth laseth asleth saleth lsaeth slaeth talseh atlseh tlaseh ltaseh altseh latseh tasleh atsleh tsaleh staleh astleh satleh tlsaeh ltsaeh tslaeh stlaeh lstaeh sltaeh alsteh lasteh aslteh salteh lsateh slateh ehalst healst eahlst aehlst haelst ahelst ehlast helast elhast lehast hleast lheast ealhst aelhst elahst leahst alehst laehst halest ahlest hlaest lhaest alhest lahest ehaslt heaslt eahslt aehslt haeslt aheslt ehsalt hesalt eshalt sehalt hsealt shealt eashlt aeshlt esahlt seahlt asehlt saehlt haselt ahselt hsaelt shaelt ashelt sahelt ehlsat helsat elhsat lehsat hlesat lhesat ehslat heslat eshlat sehlat hselat shelat elshat leshat eslhat selhat lsehat slehat hlseat lhseat hsleat shleat lsheat slheat ealsht aelsht elasht leasht alesht laesht easlht aeslht esalht sealht aselht saelht elsaht lesaht eslaht selaht lseaht sleaht alseht laseht asleht saleht lsaeht slaeht halset ahlset hlaset lhaset alhset lahset haslet ahslet hsalet shalet ashlet sahlet hlsaet lhsaet hslaet shlaet lshaet slhaet alshet lashet aslhet salhet lsahet slahet thalse htalse tahlse athlse hatlse ahtlse thlase htlase tlhase lthase hltase lhtase talhse atlhse tlahse ltahse althse lathse haltse ahltse hlatse lhatse alhtse lahtse thasle htasle tahsle athsle hatsle ahtsle thsale htsale tshale sthale hstale shtale tashle atshle tsahle stahle asthle sathle hastle ahstle hsatle shatle ashtle sahtle thlsae htlsae tlhsae lthsae hltsae lhtsae thslae htslae tshlae sthlae hstlae shtlae tlshae ltshae tslhae stlhae lsthae slthae hlstae lhstae hsltae shltae lshtae slhtae talshe atlshe tlashe ltashe altshe latshe taslhe atslhe tsalhe stalhe astlhe satlhe tlsahe ltsahe tslahe stlahe lstahe sltahe alsthe lasthe aslthe salthe lsathe slathe halste ahlste hlaste lhaste alhste lahste haslte ahslte hsalte shalte ashlte sahlte hlsate lhsate hslate shlate lshate slhate alshte lashte aslhte salhte lsahte slahte
Note: these 'words' (valid or invalid) are all the permutations of the word ethals. These words are obtained by scrambling the letters in ethals.