taches atches tcahes ctahes acthes cathes tahces athces thaces htaces ahtces hatces tchaes cthaes thcaes htcaes chtaes hctaes achtes cahtes ahctes hactes chates hcates tacehs atcehs tcaehs ctaehs actehs catehs taechs atechs teachs etachs aetchs eatchs tceahs cteahs tecahs etcahs cetahs ectahs aceths caeths aecths eacths ceaths ecaths tahecs athecs thaecs htaecs ahtecs hatecs taehcs atehcs teahcs etahcs aethcs eathcs theacs hteacs tehacs ethacs hetacs ehtacs ahetcs haetcs aehtcs eahtcs heatcs ehatcs tcheas ctheas thceas htceas chteas hcteas tcehas ctehas techas etchas cethas ecthas thecas htecas tehcas ethcas hetcas ehtcas chetas hcetas cehtas echtas hectas ehctas achets cahets ahcets hacets chaets hcaets acehts caehts aechts eachts ceahts ecahts ahects haects aehcts eahcts heacts ehacts cheats hceats cehats echats hecats ehcats tachse atchse tcahse ctahse acthse cathse tahcse athcse thacse htacse ahtcse hatcse tchase cthase thcase htcase chtase hctase achtse cahtse ahctse hactse chatse hcatse tacshe atcshe tcashe ctashe actshe catshe tasche atsche tsache stache astche satche tcsahe ctsahe tscahe stcahe cstahe sctahe acsthe casthe ascthe sacthe csathe scathe tahsce athsce thasce htasce ahtsce hatsce tashce atshce tsahce stahce asthce sathce thsace htsace tshace sthace hstace shtace ahstce hastce ashtce sahtce hsatce shatce tchsae cthsae thcsae htcsae chtsae hctsae tcshae ctshae tschae stchae csthae scthae thscae htscae tshcae sthcae hstcae shtcae chstae hcstae cshtae schtae hsctae shctae achste cahste ahcste hacste chaste hcaste acshte cashte aschte sachte csahte scahte ahscte hascte ashcte sahcte hsacte shacte chsate hcsate cshate schate hscate shcate tacesh atcesh tcaesh ctaesh actesh catesh taecsh atecsh teacsh etacsh aetcsh eatcsh tceash cteash tecash etcash cetash ectash acetsh caetsh aectsh eactsh ceatsh ecatsh tacseh atcseh tcaseh ctaseh actseh catseh tasceh atsceh tsaceh staceh astceh satceh tcsaeh ctsaeh tscaeh stcaeh cstaeh sctaeh acsteh casteh ascteh sacteh csateh scateh taesch atesch teasch etasch aetsch eatsch tasech atsech tsaech staech astech satech tesach etsach tseach steach estach setach aestch eastch asetch saetch esatch seatch tcesah ctesah tecsah etcsah cetsah ectsah tcseah ctseah tsceah stceah csteah scteah tescah etscah tsecah stecah estcah setcah cestah ecstah csetah scetah esctah sectah acesth caesth aecsth eacsth ceasth ecasth acseth caseth asceth saceth csaeth scaeth aescth eascth asecth saecth esacth seacth cesath ecsath cseath sceath escath secath tahesc athesc thaesc htaesc ahtesc hatesc taehsc atehsc teahsc etahsc aethsc eathsc theasc hteasc tehasc ethasc hetasc ehtasc ahetsc haetsc aehtsc eahtsc heatsc ehatsc tahsec athsec thasec htasec ahtsec hatsec tashec atshec tsahec stahec asthec sathec thsaec htsaec tshaec sthaec hstaec shtaec ahstec hastec ashtec sahtec hsatec shatec taeshc ateshc teashc etashc aetshc eatshc tasehc atsehc tsaehc staehc astehc satehc tesahc etsahc tseahc steahc estahc setahc aesthc easthc asethc saethc esathc seathc thesac htesac tehsac ethsac hetsac ehtsac thseac htseac tsheac stheac hsteac shteac teshac etshac tsehac stehac esthac sethac hestac ehstac hsetac shetac eshtac sehtac ahestc haestc aehstc eahstc heastc ehastc ahsetc hasetc ashetc sahetc hsaetc shaetc aeshtc eashtc asehtc saehtc esahtc seahtc hesatc ehsatc hseatc sheatc eshatc sehatc tchesa cthesa thcesa htcesa chtesa hctesa tcehsa ctehsa techsa etchsa cethsa ecthsa thecsa htecsa tehcsa ethcsa hetcsa ehtcsa chetsa hcetsa cehtsa echtsa hectsa ehctsa tchsea cthsea thcsea htcsea chtsea hctsea tcshea ctshea tschea stchea csthea scthea thscea htscea tshcea sthcea hstcea shtcea chstea hcstea cshtea schtea hsctea shctea tcesha ctesha tecsha etcsha cetsha ectsha tcseha ctseha tsceha stceha csteha scteha tescha etscha tsecha stecha estcha setcha cestha ecstha csetha scetha esctha sectha thesca htesca tehsca ethsca hetsca ehtsca thseca htseca tsheca stheca hsteca shteca teshca etshca tsehca stehca esthca sethca hestca ehstca hsetca shetca eshtca sehtca chesta hcesta cehsta echsta hecsta ehcsta chseta hcseta csheta scheta hsceta shceta ceshta ecshta csehta scehta eschta sechta hescta ehscta hsecta shecta eshcta sehcta achest cahest ahcest hacest chaest hcaest acehst caehst aechst eachst ceahst ecahst ahecst haecst aehcst eahcst heacst ehacst cheast hceast cehast echast hecast ehcast achset cahset ahcset hacset chaset hcaset acshet cashet aschet sachet csahet scahet ahscet hascet ashcet sahcet hsacet shacet chsaet hcsaet cshaet schaet hscaet shcaet acesht caesht aecsht eacsht ceasht ecasht acseht caseht asceht saceht csaeht scaeht aescht eascht asecht saecht esacht seacht cesaht ecsaht cseaht sceaht escaht secaht ahesct haesct aehsct eahsct heasct ehasct ahsect hasect ashect sahect hsaect shaect aeshct eashct asehct saehct esahct seahct hesact ehsact hseact sheact eshact sehact chesat hcesat cehsat echsat hecsat ehcsat chseat hcseat csheat scheat hsceat shceat ceshat ecshat csehat scehat eschat sechat hescat ehscat hsecat shecat eshcat sehcat
Note: these 'words' (valid or invalid) are all the permutations of the word taches. These words are obtained by scrambling the letters in taches.