altern latern atlern talern ltaern tlaern aletrn laetrn aeltrn ealtrn leatrn elatrn atelrn taelrn aetlrn eatlrn tealrn etalrn ltearn tlearn letarn eltarn telarn etlarn altren latren atlren talren ltaren tlaren alrten larten arlten ralten lraten rlaten atrlen tarlen artlen ratlen tralen rtalen ltraen tlraen lrtaen rltaen trlaen rtlaen alertn laertn aelrtn ealrtn leartn elartn alretn laretn arletn raletn lraetn rlaetn aerltn earltn areltn raeltn eraltn realtn leratn elratn lreatn rleatn erlatn relatn aterln taerln aetrln eatrln tearln etarln atreln tareln arteln rateln traeln rtaeln aertln eartln aretln raetln eratln reatln teraln etraln trealn rtealn ertaln retaln lteran tleran letran eltran telran etlran ltrean tlrean lrtean rltean trlean rtlean lertan elrtan lretan rletan erltan reltan terlan etrlan trelan rtelan ertlan retlan altenr latenr atlenr talenr ltaenr tlaenr aletnr laetnr aeltnr ealtnr leatnr elatnr atelnr taelnr aetlnr eatlnr tealnr etalnr lteanr tleanr letanr eltanr telanr etlanr altner latner atlner talner ltaner tlaner alnter lanter anlter nalter lnater nlater atnler tanler antler natler tnaler ntaler ltnaer tlnaer lntaer nltaer tnlaer ntlaer alentr laentr aelntr ealntr leantr elantr alnetr lanetr anletr naletr lnaetr nlaetr aenltr eanltr aneltr naeltr enaltr nealtr lenatr elnatr lneatr nleatr enlatr nelatr atenlr taenlr aetnlr eatnlr teanlr etanlr atnelr tanelr antelr natelr tnaelr ntaelr aentlr eantlr anetlr naetlr enatlr neatlr tenalr etnalr tnealr ntealr entalr netalr ltenar tlenar letnar eltnar telnar etlnar ltnear tlnear lntear nltear tnlear ntlear lentar elntar lnetar nletar enltar neltar tenlar etnlar tnelar ntelar entlar netlar altrne latrne atlrne talrne ltarne tlarne alrtne lartne arltne raltne lratne rlatne atrlne tarlne artlne ratlne tralne rtalne ltrane tlrane lrtane rltane trlane rtlane altnre latnre atlnre talnre ltanre tlanre alntre lantre anltre naltre lnatre nlatre atnlre tanlre antlre natlre tnalre ntalre ltnare tlnare lntare nltare tnlare ntlare alrnte larnte arlnte ralnte lrante rlante alnrte lanrte anlrte nalrte lnarte nlarte arnlte ranlte anrlte narlte rnalte nralte lrnate rlnate lnrate nlrate rnlate nrlate atrnle tarnle artnle ratnle tranle rtanle atnrle tanrle antrle natrle tnarle ntarle arntle rantle anrtle nartle rnatle nratle trnale rtnale tnrale ntrale rntale nrtale ltrnae tlrnae lrtnae rltnae trlnae rtlnae ltnrae tlnrae lntrae nltrae tnlrae ntlrae lrntae rlntae lnrtae nlrtae rnltae nrltae trnlae rtnlae tnrlae ntrlae rntlae nrtlae alernt laernt aelrnt ealrnt learnt elarnt alrent larent arlent ralent lraent rlaent aerlnt earlnt arelnt raelnt eralnt realnt lerant elrant lreant rleant erlant relant alenrt laenrt aelnrt ealnrt leanrt elanrt alnert lanert anlert nalert lnaert nlaert aenlrt eanlrt anelrt naelrt enalrt nealrt lenart elnart lneart nleart enlart nelart alrnet larnet arlnet ralnet lranet rlanet alnret lanret anlret nalret lnaret nlaret arnlet ranlet anrlet narlet rnalet nralet lrnaet rlnaet lnraet nlraet rnlaet nrlaet aernlt earnlt arenlt raenlt eranlt reanlt aenrlt eanrlt anerlt naerlt enarlt nearlt arnelt ranelt anrelt narelt rnaelt nraelt ernalt renalt enralt neralt rnealt nrealt lernat elrnat lrenat rlenat erlnat relnat lenrat elnrat lnerat nlerat enlrat nelrat lrneat rlneat lnreat nlreat rnleat nrleat ernlat renlat enrlat nerlat rnelat nrelat aternl taernl aetrnl eatrnl tearnl etarnl atrenl tarenl artenl ratenl traenl rtaenl aertnl eartnl aretnl raetnl eratnl reatnl teranl etranl treanl rteanl ertanl retanl atenrl taenrl aetnrl eatnrl teanrl etanrl atnerl tanerl anterl naterl tnaerl ntaerl aentrl eantrl anetrl naetrl enatrl neatrl tenarl etnarl tnearl ntearl entarl netarl atrnel tarnel artnel ratnel tranel rtanel atnrel tanrel antrel natrel tnarel ntarel arntel rantel anrtel nartel rnatel nratel trnael rtnael tnrael ntrael rntael nrtael aerntl earntl arentl raentl erantl reantl aenrtl eanrtl anertl naertl enartl neartl arnetl ranetl anretl naretl rnaetl nraetl ernatl renatl enratl neratl rneatl nreatl ternal etrnal trenal rtenal ertnal retnal tenral etnral tneral nteral entral netral trneal rtneal tnreal ntreal rnteal nrteal erntal rental enrtal nertal rnetal nretal lterna tlerna letrna eltrna telrna etlrna ltrena tlrena lrtena rltena trlena rtlena lertna elrtna lretna rletna erltna reltna terlna etrlna trelna rtelna ertlna retlna ltenra tlenra letnra eltnra telnra etlnra ltnera tlnera lntera nltera tnlera ntlera lentra elntra lnetra nletra enltra neltra tenlra etnlra tnelra ntelra entlra netlra ltrnea tlrnea lrtnea rltnea trlnea rtlnea ltnrea tlnrea lntrea nltrea tnlrea ntlrea lrntea rlntea lnrtea nlrtea rnltea nrltea trnlea rtnlea tnrlea ntrlea rntlea nrtlea lernta elrnta lrenta rlenta erlnta relnta lenrta elnrta lnerta nlerta enlrta nelrta lrneta rlneta lnreta nlreta rnleta nrleta ernlta renlta enrlta nerlta rnelta nrelta ternla etrnla trenla rtenla ertnla retnla tenrla etnrla tnerla nterla entrla netrla trnela rtnela tnrela ntrela rntela nrtela erntla rentla enrtla nertla rnetla nretla
Note: these 'words' (valid or invalid) are all the permutations of the word altern. These words are obtained by scrambling the letters in altern.