chekas hcekas cehkas echkas heckas ehckas chkeas hckeas ckheas kcheas hkceas khceas cekhas eckhas ckehas kcehas ekchas kechas hekcas ehkcas hkecas khecas ekhcas kehcas cheaks hceaks cehaks echaks hecaks ehcaks chaeks hcaeks caheks acheks haceks ahceks ceahks ecahks caehks acehks eachks aechks heacks ehacks haecks ahecks eahcks aehcks chkaes hckaes ckhaes kchaes hkcaes khcaes chakes hcakes cahkes achkes hackes ahckes ckahes kcahes cakhes ackhes kaches akches hkaces khaces hakces ahkces kahces akhces cekahs eckahs ckeahs kceahs ekcahs kecahs ceakhs ecakhs caekhs acekhs eackhs aeckhs ckaehs kcaehs cakehs ackehs kacehs akcehs ekachs keachs eakchs aekchs kaechs akechs hekacs ehkacs hkeacs kheacs ekhacs kehacs heakcs ehakcs haekcs ahekcs eahkcs aehkcs hkaecs khaecs hakecs ahkecs kahecs akhecs ekahcs keahcs eakhcs aekhcs kaehcs akehcs cheksa hceksa cehksa echksa hecksa ehcksa chkesa hckesa ckhesa kchesa hkcesa khcesa cekhsa eckhsa ckehsa kcehsa ekchsa kechsa hekcsa ehkcsa hkecsa khecsa ekhcsa kehcsa cheska hceska cehska echska hecska ehcska chseka hcseka csheka scheka hsceka shceka ceshka ecshka csehka scehka eschka sechka hescka ehscka hsecka shecka eshcka sehcka chksea hcksea ckhsea kchsea hkcsea khcsea chskea hcskea cshkea schkea hsckea shckea ckshea kcshea cskhea sckhea kschea skchea hkscea khscea hskcea shkcea kshcea skhcea ceksha ecksha ckesha kcesha ekcsha kecsha ceskha ecskha csekha scekha esckha seckha ckseha kcseha cskeha sckeha ksceha skceha ekscha kescha eskcha sekcha ksecha skecha heksca ehksca hkesca khesca ekhsca kehsca heskca ehskca hsekca shekca eshkca sehkca hkseca khseca hskeca shkeca ksheca skheca ekshca keshca eskhca sekhca ksehca skehca cheask hceask cehask echask hecask ehcask chaesk hcaesk cahesk achesk hacesk ahcesk ceahsk ecahsk caehsk acehsk eachsk aechsk heacsk ehacsk haecsk ahecsk eahcsk aehcsk chesak hcesak cehsak echsak hecsak ehcsak chseak hcseak csheak scheak hsceak shceak ceshak ecshak csehak scehak eschak sechak hescak ehscak hsecak shecak eshcak sehcak chasek hcasek cahsek achsek hacsek ahcsek chsaek hcsaek cshaek schaek hscaek shcaek cashek acshek csahek scahek aschek sachek hascek ahscek hsacek shacek ashcek sahcek ceashk ecashk caeshk aceshk eacshk aecshk cesahk ecsahk cseahk sceahk escahk secahk casehk acsehk csaehk scaehk ascehk sacehk easchk aeschk esachk seachk asechk saechk heasck ehasck haesck ahesck eahsck aehsck hesack ehsack hseack sheack eshack sehack haseck ahseck hsaeck shaeck asheck saheck eashck aeshck esahck seahck asehck saehck chkase hckase ckhase kchase hkcase khcase chakse hcakse cahkse achkse hackse ahckse ckahse kcahse cakhse ackhse kachse akchse hkacse khacse hakcse ahkcse kahcse akhcse chksae hcksae ckhsae kchsae hkcsae khcsae chskae hcskae cshkae schkae hsckae shckae ckshae kcshae cskhae sckhae kschae skchae hkscae khscae hskcae shkcae kshcae skhcae chaske hcaske cahske achske hacske ahcske chsake hcsake cshake schake hscake shcake cashke acshke csahke scahke aschke sachke hascke ahscke hsacke shacke ashcke sahcke ckashe kcashe cakshe ackshe kacshe akcshe cksahe kcsahe cskahe sckahe kscahe skcahe caskhe acskhe csakhe scakhe asckhe sackhe kasche aksche ksache skache askche sakche hkasce khasce haksce ahksce kahsce akhsce hksace khsace hskace shkace kshace skhace haskce ahskce hsakce shakce ashkce sahkce kashce akshce ksahce skahce askhce sakhce cekash eckash ckeash kceash ekcash kecash ceaksh ecaksh caeksh aceksh eacksh aecksh ckaesh kcaesh cakesh ackesh kacesh akcesh ekacsh keacsh eakcsh aekcsh kaecsh akecsh ceksah ecksah ckesah kcesah ekcsah kecsah ceskah ecskah csekah scekah esckah seckah ckseah kcseah cskeah sckeah ksceah skceah ekscah kescah eskcah sekcah ksecah skecah ceaskh ecaskh caeskh aceskh eacskh aecskh cesakh ecsakh cseakh sceakh escakh secakh casekh acsekh csaekh scaekh ascekh sacekh easckh aesckh esackh seackh aseckh saeckh ckaseh kcaseh cakseh ackseh kacseh akcseh cksaeh kcsaeh cskaeh sckaeh kscaeh skcaeh caskeh acskeh csakeh scakeh asckeh sackeh kasceh aksceh ksaceh skaceh askceh sakceh ekasch keasch eaksch aeksch kaesch akesch eksach kesach eskach sekach kseach skeach easkch aeskch esakch seakch asekch saekch kasech aksech ksaech skaech askech sakech hekasc ehkasc hkeasc kheasc ekhasc kehasc heaksc ehaksc haeksc aheksc eahksc aehksc hkaesc khaesc hakesc ahkesc kahesc akhesc ekahsc keahsc eakhsc aekhsc kaehsc akehsc heksac ehksac hkesac khesac ekhsac kehsac heskac ehskac hsekac shekac eshkac sehkac hkseac khseac hskeac shkeac ksheac skheac ekshac keshac eskhac sekhac ksehac skehac heaskc ehaskc haeskc aheskc eahskc aehskc hesakc ehsakc hseakc sheakc eshakc sehakc hasekc ahsekc hsaekc shaekc ashekc sahekc eashkc aeshkc esahkc seahkc asehkc saehkc hkasec khasec haksec ahksec kahsec akhsec hksaec khsaec hskaec shkaec kshaec skhaec haskec ahskec hsakec shakec ashkec sahkec kashec akshec ksahec skahec askhec sakhec ekashc keashc eakshc aekshc kaeshc akeshc eksahc kesahc eskahc sekahc kseahc skeahc easkhc aeskhc esakhc seakhc asekhc saekhc kasehc aksehc ksaehc skaehc askehc sakehc
Note: these 'words' (valid or invalid) are all the permutations of the word chekas. These words are obtained by scrambling the letters in chekas.