charks hcarks cahrks achrks hacrks ahcrks chraks hcraks crhaks rchaks hrcaks rhcaks carhks acrhks crahks rcahks archks rachks harcks ahrcks hracks rhacks arhcks rahcks chakrs hcakrs cahkrs achkrs hackrs ahckrs chkars hckars ckhars kchars hkcars khcars cakhrs ackhrs ckahrs kcahrs akchrs kachrs hakcrs ahkcrs hkacrs khacrs akhcrs kahcrs chrkas hcrkas crhkas rchkas hrckas rhckas chkras hckras ckhras kchras hkcras khcras crkhas rckhas ckrhas kcrhas rkchas krchas hrkcas rhkcas hkrcas khrcas rkhcas krhcas carkhs acrkhs crakhs rcakhs arckhs rackhs cakrhs ackrhs ckarhs kcarhs akcrhs kacrhs crkahs rckahs ckrahs kcrahs rkcahs krcahs arkchs rakchs akrchs karchs rkachs krachs harkcs ahrkcs hrakcs rhakcs arhkcs rahkcs hakrcs ahkrcs hkarcs kharcs akhrcs kahrcs hrkacs rhkacs hkracs khracs rkhacs krhacs arkhcs rakhcs akrhcs karhcs rkahcs krahcs charsk hcarsk cahrsk achrsk hacrsk ahcrsk chrask hcrask crhask rchask hrcask rhcask carhsk acrhsk crahsk rcahsk archsk rachsk harcsk ahrcsk hracsk rhacsk arhcsk rahcsk chasrk hcasrk cahsrk achsrk hacsrk ahcsrk chsark hcsark cshark schark hscark shcark cashrk acshrk csahrk scahrk aschrk sachrk hascrk ahscrk hsacrk shacrk ashcrk sahcrk chrsak hcrsak crhsak rchsak hrcsak rhcsak chsrak hcsrak cshrak schrak hscrak shcrak crshak rcshak csrhak scrhak rschak srchak hrscak rhscak hsrcak shrcak rshcak srhcak carshk acrshk crashk rcashk arcshk racshk casrhk acsrhk csarhk scarhk ascrhk sacrhk crsahk rcsahk csrahk scrahk rscahk srcahk arschk raschk asrchk sarchk rsachk srachk harsck ahrsck hrasck rhasck arhsck rahsck hasrck ahsrck hsarck sharck ashrck sahrck hrsack rhsack hsrack shrack rshack srhack arshck rashck asrhck sarhck rsahck srahck chaksr hcaksr cahksr achksr hacksr ahcksr chkasr hckasr ckhasr kchasr hkcasr khcasr cakhsr ackhsr ckahsr kcahsr akchsr kachsr hakcsr ahkcsr hkacsr khacsr akhcsr kahcsr chaskr hcaskr cahskr achskr hacskr ahcskr chsakr hcsakr cshakr schakr hscakr shcakr cashkr acshkr csahkr scahkr aschkr sachkr hasckr ahsckr hsackr shackr ashckr sahckr chksar hcksar ckhsar kchsar hkcsar khcsar chskar hcskar cshkar schkar hsckar shckar ckshar kcshar cskhar sckhar kschar skchar hkscar khscar hskcar shkcar kshcar skhcar cakshr ackshr ckashr kcashr akcshr kacshr caskhr acskhr csakhr scakhr asckhr sackhr cksahr kcsahr cskahr sckahr kscahr skcahr akschr kaschr askchr sakchr ksachr skachr hakscr ahkscr hkascr khascr akhscr kahscr haskcr ahskcr hsakcr shakcr ashkcr sahkcr hksacr khsacr hskacr shkacr kshacr skhacr akshcr kashcr askhcr sakhcr ksahcr skahcr chrksa hcrksa crhksa rchksa hrcksa rhcksa chkrsa hckrsa ckhrsa kchrsa hkcrsa khcrsa crkhsa rckhsa ckrhsa kcrhsa rkchsa krchsa hrkcsa rhkcsa hkrcsa khrcsa rkhcsa krhcsa chrska hcrska crhska rchska hrcska rhcska chsrka hcsrka cshrka schrka hscrka shcrka crshka rcshka csrhka scrhka rschka srchka hrscka rhscka hsrcka shrcka rshcka srhcka chksra hcksra ckhsra kchsra hkcsra khcsra chskra hcskra cshkra schkra hsckra shckra ckshra kcshra cskhra sckhra kschra skchra hkscra khscra hskcra shkcra kshcra skhcra crksha rcksha ckrsha kcrsha rkcsha krcsha crskha rcskha csrkha scrkha rsckha srckha cksrha kcsrha cskrha sckrha kscrha skcrha rkscha krscha rskcha srkcha ksrcha skrcha hrksca rhksca hkrsca khrsca rkhsca krhsca hrskca rhskca hsrkca shrkca rshkca srhkca hksrca khsrca hskrca shkrca kshrca skhrca rkshca krshca rskhca srkhca ksrhca skrhca carksh acrksh craksh rcaksh arcksh racksh cakrsh ackrsh ckarsh kcarsh akcrsh kacrsh crkash rckash ckrash kcrash rkcash krcash arkcsh rakcsh akrcsh karcsh rkacsh kracsh carskh acrskh craskh rcaskh arcskh racskh casrkh acsrkh csarkh scarkh ascrkh sacrkh crsakh rcsakh csrakh scrakh rscakh srcakh arsckh rasckh asrckh sarckh rsackh srackh caksrh acksrh ckasrh kcasrh akcsrh kacsrh caskrh acskrh csakrh scakrh asckrh sackrh cksarh kcsarh cskarh sckarh kscarh skcarh akscrh kascrh askcrh sakcrh ksacrh skacrh crksah rcksah ckrsah kcrsah rkcsah krcsah crskah rcskah csrkah scrkah rsckah srckah cksrah kcsrah cskrah sckrah kscrah skcrah rkscah krscah rskcah srkcah ksrcah skrcah arksch raksch akrsch karsch rkasch krasch arskch raskch asrkch sarkch rsakch srakch aksrch kasrch askrch sakrch ksarch skarch rksach krsach rskach srkach ksrach skrach harksc ahrksc hraksc rhaksc arhksc rahksc hakrsc ahkrsc hkarsc kharsc akhrsc kahrsc hrkasc rhkasc hkrasc khrasc rkhasc krhasc arkhsc rakhsc akrhsc karhsc rkahsc krahsc harskc ahrskc hraskc rhaskc arhskc rahskc hasrkc ahsrkc hsarkc sharkc ashrkc sahrkc hrsakc rhsakc hsrakc shrakc rshakc srhakc arshkc rashkc asrhkc sarhkc rsahkc srahkc haksrc ahksrc hkasrc khasrc akhsrc kahsrc haskrc ahskrc hsakrc shakrc ashkrc sahkrc hksarc khsarc hskarc shkarc ksharc skharc akshrc kashrc askhrc sakhrc ksahrc skahrc hrksac rhksac hkrsac khrsac rkhsac krhsac hrskac rhskac hsrkac shrkac rshkac srhkac hksrac khsrac hskrac shkrac kshrac skhrac rkshac krshac rskhac srkhac ksrhac skrhac arkshc rakshc akrshc karshc rkashc krashc arskhc raskhc asrkhc sarkhc rsakhc srakhc aksrhc kasrhc askrhc sakrhc ksarhc skarhc rksahc krsahc rskahc srkahc ksrahc skrahc
Note: these 'words' (valid or invalid) are all the permutations of the word charks. These words are obtained by scrambling the letters in charks.