chaser hcaser cahser achser hacser ahcser chsaer hcsaer cshaer schaer hscaer shcaer casher acsher csaher scaher ascher sacher hascer ahscer hsacer shacer ashcer sahcer chaesr hcaesr cahesr achesr hacesr ahcesr cheasr hceasr cehasr echasr hecasr ehcasr caehsr acehsr ceahsr ecahsr aechsr eachsr haecsr ahecsr heacsr ehacsr aehcsr eahcsr chsear hcsear cshear schear hscear shcear chesar hcesar cehsar echsar hecsar ehcsar csehar scehar ceshar ecshar sechar eschar hsecar shecar hescar ehscar sehcar eshcar casehr acsehr csaehr scaehr ascehr sacehr caeshr aceshr ceashr ecashr aecshr eacshr cseahr sceahr cesahr ecsahr secahr escahr asechr saechr aeschr easchr seachr esachr hasecr ahsecr hsaecr shaecr ashecr sahecr haescr ahescr heascr ehascr aehscr eahscr hseacr sheacr hesacr ehsacr sehacr eshacr asehcr saehcr aeshcr eashcr seahcr esahcr chasre hcasre cahsre achsre hacsre ahcsre chsare hcsare cshare schare hscare shcare cashre acshre csahre scahre aschre sachre hascre ahscre hsacre shacre ashcre sahcre charse hcarse cahrse achrse hacrse ahcrse chrase hcrase crhase rchase hrcase rhcase carhse acrhse crahse rcahse archse rachse harcse ahrcse hracse rhacse arhcse rahcse chsrae hcsrae cshrae schrae hscrae shcrae chrsae hcrsae crhsae rchsae hrcsae rhcsae csrhae scrhae crshae rcshae srchae rschae hsrcae shrcae hrscae rhscae srhcae rshcae casrhe acsrhe csarhe scarhe ascrhe sacrhe carshe acrshe crashe rcashe arcshe racshe csrahe scrahe crsahe rcsahe srcahe rscahe asrche sarche arsche rasche srache rsache hasrce ahsrce hsarce sharce ashrce sahrce harsce ahrsce hrasce rhasce arhsce rahsce hsrace shrace hrsace rhsace srhace rshace asrhce sarhce arshce rashce srahce rsahce chaers hcaers cahers achers hacers ahcers chears hcears cehars echars hecars ehcars caehrs acehrs ceahrs ecahrs aechrs eachrs haecrs ahecrs heacrs ehacrs aehcrs eahcrs chares hcares cahres achres hacres ahcres chraes hcraes crhaes rchaes hrcaes rhcaes carhes acrhes crahes rcahes arches raches harces ahrces hraces rhaces arhces rahces cheras hceras cehras echras hecras ehcras chreas hcreas crheas rcheas hrceas rhceas cerhas ecrhas crehas rcehas erchas rechas hercas ehrcas hrecas rhecas erhcas rehcas caerhs acerhs cearhs ecarhs aecrhs eacrhs carehs acrehs craehs rcaehs arcehs racehs cerahs ecrahs creahs rceahs ercahs recahs aerchs earchs arechs raechs erachs reachs haercs ahercs hearcs eharcs aehrcs eahrcs harecs ahrecs hraecs rhaecs arhecs rahecs heracs ehracs hreacs rheacs erhacs rehacs aerhcs earhcs arehcs raehcs erahcs reahcs chsera hcsera cshera schera hscera shcera chesra hcesra cehsra echsra hecsra ehcsra csehra scehra ceshra ecshra sechra eschra hsecra shecra hescra ehscra sehcra eshcra chsrea hcsrea cshrea schrea hscrea shcrea chrsea hcrsea crhsea rchsea hrcsea rhcsea csrhea scrhea crshea rcshea srchea rschea hsrcea shrcea hrscea rhscea srhcea rshcea chersa hcersa cehrsa echrsa hecrsa ehcrsa chresa hcresa crhesa rchesa hrcesa rhcesa cerhsa ecrhsa crehsa rcehsa erchsa rechsa hercsa ehrcsa hrecsa rhecsa erhcsa rehcsa cserha scerha cesrha ecsrha secrha escrha csreha screha crseha rcseha srceha rsceha cersha ecrsha cresha rcesha ercsha recsha sercha esrcha srecha rsecha erscha rescha hserca sherca hesrca ehsrca sehrca eshrca hsreca shreca hrseca rhseca srheca rsheca hersca ehrsca hresca rhesca erhsca rehsca serhca esrhca srehca rsehca ershca reshca caserh acserh csaerh scaerh ascerh sacerh caesrh acesrh ceasrh ecasrh aecsrh eacsrh csearh scearh cesarh ecsarh secarh escarh asecrh saecrh aescrh eascrh seacrh esacrh casreh acsreh csareh scareh ascreh sacreh carseh acrseh craseh rcaseh arcseh racseh csraeh scraeh crsaeh rcsaeh srcaeh rscaeh asrceh sarceh arsceh rasceh sraceh rsaceh caersh acersh cearsh ecarsh aecrsh eacrsh caresh acresh craesh rcaesh arcesh racesh cerash ecrash creash rceash ercash recash aercsh earcsh arecsh raecsh eracsh reacsh cserah scerah cesrah ecsrah secrah escrah csreah screah crseah rcseah srceah rsceah cersah ecrsah cresah rcesah ercsah recsah sercah esrcah srecah rsecah erscah rescah aserch saerch aesrch easrch search esarch asrech sarech arsech rasech sraech rsaech aersch earsch aresch raesch erasch reasch serach esrach sreach rseach ersach resach haserc ahserc hsaerc shaerc asherc saherc haesrc ahesrc heasrc ehasrc aehsrc eahsrc hsearc shearc hesarc ehsarc seharc esharc asehrc saehrc aeshrc eashrc seahrc esahrc hasrec ahsrec hsarec sharec ashrec sahrec harsec ahrsec hrasec rhasec arhsec rahsec hsraec shraec hrsaec rhsaec srhaec rshaec asrhec sarhec arshec rashec srahec rsahec haersc ahersc hearsc eharsc aehrsc eahrsc haresc ahresc hraesc rhaesc arhesc rahesc herasc ehrasc hreasc rheasc erhasc rehasc aerhsc earhsc arehsc raehsc erahsc reahsc hserac sherac hesrac ehsrac sehrac eshrac hsreac shreac hrseac rhseac srheac rsheac hersac ehrsac hresac rhesac erhsac rehsac serhac esrhac srehac rsehac ershac reshac aserhc saerhc aesrhc easrhc searhc esarhc asrehc sarehc arsehc rasehc sraehc rsaehc aershc earshc areshc raeshc erashc reashc serahc esrahc sreahc rseahc ersahc resahc
Note: these 'words' (valid or invalid) are all the permutations of the word chaser. These words are obtained by scrambling the letters in chaser.