preach rpeach perach eprach repach erpach praech rpaech parech aprech rapech arpech pearch eparch paerch aperch eaprch aeprch reapch erapch raepch arepch earpch aerpch precah rpecah percah eprcah repcah erpcah prceah rpceah pcreah cpreah rcpeah crpeah pecrah epcrah pcerah cperah ecprah ceprah recpah ercpah rcepah crepah ecrpah cerpah praceh rpaceh parceh aprceh rapceh arpceh prcaeh rpcaeh pcraeh cpraeh rcpaeh crpaeh pacreh apcreh pcareh cpareh acpreh capreh racpeh arcpeh rcapeh crapeh acrpeh carpeh peacrh epacrh paecrh apecrh eapcrh aepcrh pecarh epcarh pcearh cpearh ecparh ceparh pacerh apcerh pcaerh cpaerh acperh caperh eacprh aecprh ecaprh ceaprh aceprh caeprh reacph eracph raecph arecph earcph aercph recaph ercaph rceaph creaph ecraph ceraph raceph arceph rcaeph craeph acreph careph eacrph aecrph ecarph cearph acerph caerph preahc rpeahc perahc eprahc repahc erpahc praehc rpaehc parehc aprehc rapehc arpehc pearhc eparhc paerhc aperhc eaprhc aeprhc reaphc eraphc raephc arephc earphc aerphc prehac rpehac perhac eprhac rephac erphac prheac rpheac phreac hpreac rhpeac hrpeac pehrac ephrac pherac hperac ehprac heprac rehpac erhpac rhepac hrepac ehrpac herpac prahec rpahec parhec aprhec raphec arphec prhaec rphaec phraec hpraec rhpaec hrpaec pahrec aphrec pharec hparec ahprec haprec rahpec arhpec rhapec hrapec ahrpec harpec peahrc epahrc paehrc apehrc eaphrc aephrc peharc epharc phearc hpearc ehparc heparc paherc apherc phaerc hpaerc ahperc haperc eahprc aehprc ehaprc heaprc aheprc haeprc reahpc erahpc raehpc arehpc earhpc aerhpc rehapc erhapc rheapc hreapc ehrapc herapc rahepc arhepc rhaepc hraepc ahrepc harepc eahrpc aehrpc eharpc hearpc aherpc haerpc precha rpecha percha eprcha repcha erpcha prceha rpceha pcreha cpreha rcpeha crpeha pecrha epcrha pcerha cperha ecprha ceprha recpha ercpha rcepha crepha ecrpha cerpha prehca rpehca perhca eprhca rephca erphca prheca rpheca phreca hpreca rhpeca hrpeca pehrca ephrca pherca hperca ehprca heprca rehpca erhpca rhepca hrepca ehrpca herpca prchea rpchea pcrhea cprhea rcphea crphea prhcea rphcea phrcea hprcea rhpcea hrpcea pchrea cphrea phcrea hpcrea chprea hcprea rchpea crhpea rhcpea hrcpea chrpea hcrpea pechra epchra pcehra cpehra ecphra cephra pehcra ephcra phecra hpecra ehpcra hepcra pchera cphera phcera hpcera chpera hcpera echpra cehpra ehcpra hecpra chepra hcepra rechpa erchpa rcehpa crehpa ecrhpa cerhpa rehcpa erhcpa rhecpa hrecpa ehrcpa hercpa rchepa crhepa rhcepa hrcepa chrepa hcrepa echrpa cehrpa ehcrpa hecrpa cherpa hcerpa prache rpache parche aprche rapche arpche prcahe rpcahe pcrahe cprahe rcpahe crpahe pacrhe apcrhe pcarhe cparhe acprhe caprhe racphe arcphe rcaphe craphe acrphe carphe prahce rpahce parhce aprhce raphce arphce prhace rphace phrace hprace rhpace hrpace pahrce aphrce pharce hparce ahprce haprce rahpce arhpce rhapce hrapce ahrpce harpce prchae rpchae pcrhae cprhae rcphae crphae prhcae rphcae phrcae hprcae rhpcae hrpcae pchrae cphrae phcrae hpcrae chprae hcprae rchpae crhpae rhcpae hrcpae chrpae hcrpae pachre apchre pcahre cpahre acphre caphre pahcre aphcre phacre hpacre ahpcre hapcre pchare cphare phcare hpcare chpare hcpare achpre cahpre ahcpre hacpre chapre hcapre rachpe archpe rcahpe crahpe acrhpe carhpe rahcpe arhcpe rhacpe hracpe ahrcpe harcpe rchape crhape rhcape hrcape chrape hcrape achrpe cahrpe ahcrpe hacrpe charpe hcarpe peachr epachr paechr apechr eapchr aepchr pecahr epcahr pceahr cpeahr ecpahr cepahr pacehr apcehr pcaehr cpaehr acpehr capehr eacphr aecphr ecaphr ceaphr acephr caephr peahcr epahcr paehcr apehcr eaphcr aephcr pehacr ephacr pheacr hpeacr ehpacr hepacr pahecr aphecr phaecr hpaecr ahpecr hapecr eahpcr aehpcr ehapcr heapcr ahepcr haepcr pechar epchar pcehar cpehar ecphar cephar pehcar ephcar phecar hpecar ehpcar hepcar pchear cphear phcear hpcear chpear hcpear echpar cehpar ehcpar hecpar chepar hcepar pacher apcher pcaher cpaher acpher capher pahcer aphcer phacer hpacer ahpcer hapcer pchaer cphaer phcaer hpcaer chpaer hcpaer achper cahper ahcper hacper chaper hcaper eachpr aechpr ecahpr ceahpr acehpr caehpr eahcpr aehcpr ehacpr heacpr ahecpr haecpr echapr cehapr ehcapr hecapr cheapr hceapr achepr cahepr ahcepr hacepr chaepr hcaepr reachp erachp raechp arechp earchp aerchp recahp ercahp rceahp creahp ecrahp cerahp racehp arcehp rcaehp craehp acrehp carehp eacrhp aecrhp ecarhp cearhp acerhp caerhp reahcp erahcp raehcp arehcp earhcp aerhcp rehacp erhacp rheacp hreacp ehracp heracp rahecp arhecp rhaecp hraecp ahrecp harecp eahrcp aehrcp eharcp hearcp ahercp haercp rechap erchap rcehap crehap ecrhap cerhap rehcap erhcap rhecap hrecap ehrcap hercap rcheap crheap rhceap hrceap chreap hcreap echrap cehrap ehcrap hecrap cherap hcerap rachep archep rcahep crahep acrhep carhep rahcep arhcep rhacep hracep ahrcep harcep rchaep crhaep rhcaep hrcaep chraep hcraep achrep cahrep ahcrep hacrep charep hcarep eachrp aechrp ecahrp ceahrp acehrp caehrp eahcrp aehcrp ehacrp heacrp ahecrp haecrp echarp ceharp ehcarp hecarp chearp hcearp acherp caherp ahcerp hacerp chaerp hcaerp
Note: these 'words' (valid or invalid) are all the permutations of the word preach. These words are obtained by scrambling the letters in preach.