airest iarest ariest raiest iraest riaest aierst iaerst aeirst eairst iearst eiarst areist raeist aerist earist reaist eraist ireast rieast ierast eirast reiast eriast airset iarset ariset raiset iraset riaset aisret iasret asiret sairet isaret siaret arsiet rasiet asriet sariet rsaiet sraiet irsaet risaet israet siraet rsiaet sriaet aiesrt iaesrt aeisrt eaisrt ieasrt eiasrt aisert iasert asiert saiert isaert siaert aesirt easirt aseirt saeirt esairt seairt iesart eisart iseart sieart esiart seiart aresit raesit aersit earsit reasit erasit arseit raseit asreit sareit rsaeit sraeit aesrit easrit aserit saerit esarit searit resait ersait rseait sreait esrait serait iresat riesat iersat eirsat reisat erisat irseat riseat isreat sireat rsieat srieat iesrat eisrat iserat sierat esirat seirat resiat ersiat rseiat sreiat esriat seriat airets iarets ariets raiets iraets riaets aierts iaerts aeirts eairts iearts eiarts areits raeits aerits earits reaits eraits ireats rieats ierats eirats reiats eriats airtes iartes arites raites irates riates aitres iatres atires taires itares tiares arties raties atries taries rtaies traies irtaes ritaes itraes tiraes rtiaes triaes aietrs iaetrs aeitrs eaitrs ieatrs eiatrs aiters iaters atiers taiers itaers tiaers aetirs eatirs ateirs taeirs etairs teairs ietars eitars itears tiears etiars teiars aretis raetis aertis eartis reatis eratis arteis rateis atreis tareis rtaeis traeis aetris eatris ateris taeris etaris tearis retais ertais rteais treais etrais terais iretas rietas iertas eirtas reitas eritas irteas riteas itreas tireas rtieas trieas ietras eitras iteras tieras etiras teiras retias ertias rteias treias etrias terias airste iarste ariste raiste iraste riaste aisrte iasrte asirte sairte isarte siarte arsite rasite asrite sarite rsaite sraite irsate risate israte sirate rsiate sriate airtse iartse aritse raitse iratse riatse aitrse iatrse atirse tairse itarse tiarse artise ratise atrise tarise rtaise traise irtase ritase itrase tirase rtiase triase aistre iastre asitre saitre isatre siatre aitsre iatsre atisre taisre itasre tiasre astire satire atsire tasire staire tsaire istare sitare itsare tisare stiare tsiare arstie rastie asrtie sartie rsatie sratie artsie ratsie atrsie tarsie rtasie trasie astrie satrie atsrie tasrie starie tsarie rstaie srtaie rtsaie trsaie straie tsraie irstae ristae isrtae sirtae rsitae sritae irtsae ritsae itrsae tirsae rtisae trisae istrae sitrae itsrae tisrae stirae tsirae rstiae srtiae rtsiae trsiae striae tsriae aiestr iaestr aeistr eaistr ieastr eiastr aisetr iasetr asietr saietr isaetr siaetr aesitr easitr aseitr saeitr esaitr seaitr iesatr eisatr iseatr sieatr esiatr seiatr aietsr iaetsr aeitsr eaitsr ieatsr eiatsr aitesr iatesr atiesr taiesr itaesr tiaesr aetisr eatisr ateisr taeisr etaisr teaisr ietasr eitasr iteasr tieasr etiasr teiasr aister iaster asiter saiter isater siater aitser iatser atiser taiser itaser tiaser astier satier atsier tasier staier tsaier istaer sitaer itsaer tisaer stiaer tsiaer aestir eastir asetir saetir esatir seatir aetsir eatsir atesir taesir etasir teasir asteir sateir atseir taseir staeir tsaeir estair setair etsair tesair steair tseair iestar eistar isetar sietar esitar seitar ietsar eitsar itesar tiesar etisar teisar istear sitear itsear tisear stiear tsiear estiar setiar etsiar tesiar steiar tseiar aresti raesti aersti earsti reasti erasti arseti raseti asreti sareti rsaeti sraeti aesrti easrti aserti saerti esarti searti resati ersati rseati sreati esrati serati aretsi raetsi aertsi eartsi reatsi eratsi artesi ratesi atresi taresi rtaesi traesi aetrsi eatrsi atersi taersi etarsi tearsi retasi ertasi rteasi treasi etrasi terasi arstei rastei asrtei sartei rsatei sratei artsei ratsei atrsei tarsei rtasei trasei astrei satrei atsrei tasrei starei tsarei rstaei srtaei rtsaei trsaei straei tsraei aestri eastri asetri saetri esatri seatri aetsri eatsri atesri taesri etasri teasri asteri sateri atseri taseri staeri tsaeri estari setari etsari tesari steari tseari restai erstai rsetai sretai esrtai sertai retsai ertsai rtesai tresai etrsai tersai rsteai srteai rtseai trseai streai tsreai estrai setrai etsrai tesrai sterai tserai iresta riesta iersta eirsta reista erista irseta riseta isreta sireta rsieta srieta iesrta eisrta iserta sierta esirta seirta resita ersita rseita sreita esrita serita iretsa rietsa iertsa eirtsa reitsa eritsa irtesa ritesa itresa tiresa rtiesa triesa ietrsa eitrsa itersa tiersa etirsa teirsa retisa ertisa rteisa treisa etrisa terisa irstea ristea isrtea sirtea rsitea sritea irtsea ritsea itrsea tirsea rtisea trisea istrea sitrea itsrea tisrea stirea tsirea rstiea srtiea rtsiea trsiea striea tsriea iestra eistra isetra sietra esitra seitra ietsra eitsra itesra tiesra etisra teisra istera sitera itsera tisera stiera tsiera estira setira etsira tesira steira tseira restia erstia rsetia sretia esrtia sertia retsia ertsia rtesia tresia etrsia tersia rsteia srteia rtseia trseia streia tsreia estria setria etsria tesria steria tseria
Note: these 'words' (valid or invalid) are all the permutations of the word airest. These words are obtained by scrambling the letters in airest.