tmechs mtechs temchs etmchs metchs emtchs tmcehs mtcehs tcmehs ctmehs mctehs cmtehs tecmhs etcmhs tcemhs ctemhs ectmhs cetmhs mecths emcths mceths cmeths ecmths cemths tmehcs mtehcs temhcs etmhcs methcs emthcs tmhecs mthecs thmecs htmecs mhtecs hmtecs tehmcs ethmcs themcs htemcs ehtmcs hetmcs mehtcs emhtcs mhetcs hmetcs ehmtcs hemtcs tmches mtches tcmhes ctmhes mcthes cmthes tmhces mthces thmces htmces mhtces hmtces tchmes cthmes thcmes htcmes chtmes hctmes mchtes cmhtes mhctes hmctes chmtes hcmtes techms etchms tcehms ctehms ecthms cethms tehcms ethcms thecms htecms ehtcms hetcms tchems cthems thcems htcems chtems hctems echtms cehtms ehctms hectms chetms hcetms mechts emchts mcehts cmehts ecmhts cemhts mehcts emhcts mhects hmects ehmcts hemcts mchets cmhets mhcets hmcets chmets hcmets echmts cehmts ehcmts hecmts chemts hcemts tmecsh mtecsh temcsh etmcsh metcsh emtcsh tmcesh mtcesh tcmesh ctmesh mctesh cmtesh tecmsh etcmsh tcemsh ctemsh ectmsh cetmsh mectsh emctsh mcetsh cmetsh ecmtsh cemtsh tmesch mtesch temsch etmsch metsch emtsch tmsech mtsech tsmech stmech mstech smtech tesmch etsmch tsemch stemch estmch setmch mestch emstch msetch smetch esmtch semtch tmcseh mtcseh tcmseh ctmseh mctseh cmtseh tmsceh mtsceh tsmceh stmceh mstceh smtceh tcsmeh ctsmeh tscmeh stcmeh cstmeh sctmeh mcsteh cmsteh mscteh smcteh csmteh scmteh tecsmh etcsmh tcesmh ctesmh ectsmh cetsmh tescmh etscmh tsecmh stecmh estcmh setcmh tcsemh ctsemh tscemh stcemh cstemh sctemh ecstmh cestmh esctmh sectmh csetmh scetmh mecsth emcsth mcesth cmesth ecmsth cemsth mescth emscth msecth smecth esmcth semcth mcseth cmseth msceth smceth csmeth scmeth ecsmth cesmth escmth secmth csemth scemth tmehsc mtehsc temhsc etmhsc methsc emthsc tmhesc mthesc thmesc htmesc mhtesc hmtesc tehmsc ethmsc themsc htemsc ehtmsc hetmsc mehtsc emhtsc mhetsc hmetsc ehmtsc hemtsc tmeshc mteshc temshc etmshc metshc emtshc tmsehc mtsehc tsmehc stmehc mstehc smtehc tesmhc etsmhc tsemhc stemhc estmhc setmhc mesthc emsthc msethc smethc esmthc semthc tmhsec mthsec thmsec htmsec mhtsec hmtsec tmshec mtshec tsmhec stmhec msthec smthec thsmec htsmec tshmec sthmec hstmec shtmec mhstec hmstec mshtec smhtec hsmtec shmtec tehsmc ethsmc thesmc htesmc ehtsmc hetsmc teshmc etshmc tsehmc stehmc esthmc sethmc thsemc htsemc tshemc sthemc hstemc shtemc ehstmc hestmc eshtmc sehtmc hsetmc shetmc mehstc emhstc mhestc hmestc ehmstc hemstc meshtc emshtc msehtc smehtc esmhtc semhtc mhsetc hmsetc mshetc smhetc hsmetc shmetc ehsmtc hesmtc eshmtc sehmtc hsemtc shemtc tmchse mtchse tcmhse ctmhse mcthse cmthse tmhcse mthcse thmcse htmcse mhtcse hmtcse tchmse cthmse thcmse htcmse chtmse hctmse mchtse cmhtse mhctse hmctse chmtse hcmtse tmcshe mtcshe tcmshe ctmshe mctshe cmtshe tmsche mtsche tsmche stmche mstche smtche tcsmhe ctsmhe tscmhe stcmhe cstmhe sctmhe mcsthe cmsthe mscthe smcthe csmthe scmthe tmhsce mthsce thmsce htmsce mhtsce hmtsce tmshce mtshce tsmhce stmhce msthce smthce thsmce htsmce tshmce sthmce hstmce shtmce mhstce hmstce mshtce smhtce hsmtce shmtce tchsme cthsme thcsme htcsme chtsme hctsme tcshme ctshme tschme stchme csthme scthme thscme htscme tshcme sthcme hstcme shtcme chstme hcstme cshtme schtme hsctme shctme mchste cmhste mhcste hmcste chmste hcmste mcshte cmshte mschte smchte csmhte scmhte mhscte hmscte mshcte smhcte hsmcte shmcte chsmte hcsmte cshmte schmte hscmte shcmte techsm etchsm tcehsm ctehsm ecthsm cethsm tehcsm ethcsm thecsm htecsm ehtcsm hetcsm tchesm cthesm thcesm htcesm chtesm hctesm echtsm cehtsm ehctsm hectsm chetsm hcetsm tecshm etcshm tceshm cteshm ectshm cetshm teschm etschm tsechm stechm estchm setchm tcsehm ctsehm tscehm stcehm cstehm sctehm ecsthm cesthm escthm secthm csethm scethm tehscm ethscm thescm htescm ehtscm hetscm teshcm etshcm tsehcm stehcm esthcm sethcm thsecm htsecm tshecm sthecm hstecm shtecm ehstcm hestcm eshtcm sehtcm hsetcm shetcm tchsem cthsem thcsem htcsem chtsem hctsem tcshem ctshem tschem stchem csthem scthem thscem htscem tshcem sthcem hstcem shtcem chstem hcstem cshtem schtem hsctem shctem echstm cehstm ehcstm hecstm chestm hcestm ecshtm ceshtm eschtm sechtm csehtm scehtm ehsctm hesctm eshctm sehctm hsectm shectm chsetm hcsetm cshetm schetm hscetm shcetm mechst emchst mcehst cmehst ecmhst cemhst mehcst emhcst mhecst hmecst ehmcst hemcst mchest cmhest mhcest hmcest chmest hcmest echmst cehmst ehcmst hecmst chemst hcemst mecsht emcsht mcesht cmesht ecmsht cemsht mescht emscht msecht smecht esmcht semcht mcseht cmseht msceht smceht csmeht scmeht ecsmht cesmht escmht secmht csemht scemht mehsct emhsct mhesct hmesct ehmsct hemsct meshct emshct msehct smehct esmhct semhct mhsect hmsect mshect smhect hsmect shmect ehsmct hesmct eshmct sehmct hsemct shemct mchset cmhset mhcset hmcset chmset hcmset mcshet cmshet mschet smchet csmhet scmhet mhscet hmscet mshcet smhcet hsmcet shmcet chsmet hcsmet cshmet schmet hscmet shcmet echsmt cehsmt ehcsmt hecsmt chesmt hcesmt ecshmt ceshmt eschmt sechmt csehmt scehmt ehscmt hescmt eshcmt sehcmt hsecmt shecmt chsemt hcsemt cshemt schemt hscemt shcemt
Note: these 'words' (valid or invalid) are all the permutations of the word tmechs. These words are obtained by scrambling the letters in tmechs.