umetal muetal uemtal eumtal meutal emutal umteal muteal utmeal tumeal mtueal tmueal uetmal eutmal utemal tuemal etumal teumal metual emtual mteual tmeual etmual temual umeatl mueatl uematl eumatl meuatl emuatl umaetl muaetl uametl aumetl mauetl amuetl ueamtl euamtl uaemtl auemtl eaumtl aeumtl meautl emautl maeutl ameutl eamutl aemutl umtael mutael utmael tumael mtuael tmuael umatel muatel uamtel aumtel mautel amutel utamel tuamel uatmel autmel taumel atumel mtauel tmauel matuel amtuel tamuel atmuel uetaml eutaml uteaml tueaml etuaml teuaml ueatml euatml uaetml auetml eautml aeutml utaeml tuaeml uateml auteml taueml atueml etauml teauml eatuml aetuml taeuml ateuml metaul emtaul mteaul tmeaul etmaul temaul meatul ematul maetul ametul eamtul aemtul mtaeul tmaeul mateul amteul tameul atmeul etamul teamul eatmul aetmul taemul atemul umetla muetla uemtla eumtla meutla emutla umtela mutela utmela tumela mtuela tmuela uetmla eutmla utemla tuemla etumla teumla metula emtula mteula tmeula etmula temula umelta muelta uemlta eumlta meulta emulta umleta muleta ulmeta lumeta mlueta lmueta uelmta eulmta ulemta luemta elumta leumta meluta emluta mleuta lmeuta elmuta lemuta umtlea mutlea utmlea tumlea mtulea tmulea umltea multea ulmtea lumtea mlutea lmutea utlmea tulmea ultmea lutmea tlumea ltumea mtluea tmluea mltuea lmtuea tlmuea ltmuea uetlma eutlma utelma tuelma etulma teulma ueltma eultma uletma luetma elutma leutma utlema tulema ultema lutema tluema ltuema etluma teluma eltuma letuma tleuma lteuma metlua emtlua mtelua tmelua etmlua temlua meltua emltua mletua lmetua elmtua lemtua mtleua tmleua mlteua lmteua tlmeua ltmeua etlmua telmua eltmua letmua tlemua ltemua umealt muealt uemalt eumalt meualt emualt umaelt muaelt uamelt aumelt mauelt amuelt ueamlt euamlt uaemlt auemlt eaumlt aeumlt meault emault maeult ameult eamult aemult umelat muelat uemlat eumlat meulat emulat umleat muleat ulmeat lumeat mlueat lmueat uelmat eulmat ulemat luemat elumat leumat meluat emluat mleuat lmeuat elmuat lemuat umalet mualet uamlet aumlet maulet amulet umlaet mulaet ulmaet lumaet mluaet lmuaet ualmet aulmet ulamet luamet alumet laumet maluet amluet mlauet lmauet almuet lamuet uealmt eualmt uaelmt auelmt eaulmt aeulmt uelamt eulamt uleamt lueamt eluamt leuamt ualemt aulemt ulaemt luaemt aluemt lauemt ealumt aelumt elaumt leaumt aleumt laeumt mealut emalut maelut amelut eamlut aemlut melaut emlaut mleaut lmeaut elmaut lemaut maleut amleut mlaeut lmaeut almeut lameut ealmut aelmut elamut leamut alemut laemut umtale mutale utmale tumale mtuale tmuale umatle muatle uamtle aumtle mautle amutle utamle tuamle uatmle autmle taumle atumle mtaule tmaule matule amtule tamule atmule umtlae mutlae utmlae tumlae mtulae tmulae umltae multae ulmtae lumtae mlutae lmutae utlmae tulmae ultmae lutmae tlumae ltumae mtluae tmluae mltuae lmtuae tlmuae ltmuae umalte mualte uamlte aumlte maulte amulte umlate mulate ulmate lumate mluate lmuate ualmte aulmte ulamte luamte alumte laumte malute amlute mlaute lmaute almute lamute utalme tualme uatlme autlme taulme atulme utlame tulame ultame lutame tluame ltuame ualtme aultme ulatme luatme alutme lautme talume atlume tlaume ltaume altume latume mtalue tmalue matlue amtlue tamlue atmlue mtlaue tmlaue mltaue lmtaue tlmaue ltmaue maltue amltue mlatue lmatue almtue lamtue talmue atlmue tlamue ltamue altmue latmue uetalm eutalm utealm tuealm etualm teualm ueatlm euatlm uaetlm auetlm eautlm aeutlm utaelm tuaelm uatelm autelm tauelm atuelm etaulm teaulm eatulm aetulm taeulm ateulm uetlam eutlam utelam tuelam etulam teulam ueltam eultam uletam luetam elutam leutam utleam tuleam ulteam luteam tlueam ltueam etluam teluam eltuam letuam tleuam lteuam uealtm eualtm uaeltm aueltm eaultm aeultm uelatm eulatm uleatm lueatm eluatm leuatm ualetm auletm ulaetm luaetm aluetm lauetm ealutm aelutm elautm leautm aleutm laeutm utalem tualem uatlem autlem taulem atulem utlaem tulaem ultaem lutaem tluaem ltuaem ualtem aultem ulatem luatem alutem lautem taluem atluem tlauem ltauem altuem latuem etalum tealum eatlum aetlum taelum atelum etlaum telaum eltaum letaum tleaum lteaum ealtum aeltum elatum leatum aletum laetum taleum atleum tlaeum ltaeum alteum lateum metalu emtalu mtealu tmealu etmalu temalu meatlu ematlu maetlu ametlu eamtlu aemtlu mtaelu tmaelu matelu amtelu tamelu atmelu etamlu teamlu eatmlu aetmlu taemlu atemlu metlau emtlau mtelau tmelau etmlau temlau meltau emltau mletau lmetau elmtau lemtau mtleau tmleau mlteau lmteau tlmeau ltmeau etlmau telmau eltmau letmau tlemau ltemau mealtu emaltu maeltu ameltu eamltu aemltu melatu emlatu mleatu lmeatu elmatu lematu maletu amletu mlaetu lmaetu almetu lametu ealmtu aelmtu elamtu leamtu alemtu laemtu mtaleu tmaleu matleu amtleu tamleu atmleu mtlaeu tmlaeu mltaeu lmtaeu tlmaeu ltmaeu malteu amlteu mlateu lmateu almteu lamteu talmeu atlmeu tlameu ltameu altmeu latmeu etalmu tealmu eatlmu aetlmu taelmu atelmu etlamu telamu eltamu letamu tleamu lteamu ealtmu aeltmu elatmu leatmu aletmu laetmu talemu atlemu tlaemu ltaemu altemu latemu
Note: these 'words' (valid or invalid) are all the permutations of the word umetal. These words are obtained by scrambling the letters in umetal.