hopaks ohpaks hpoaks phoaks ophaks pohaks hoapks ohapks haopks ahopks oahpks aohpks hpaoks phaoks hapoks ahpoks pahoks aphoks opahks poahks oaphks aophks paohks apohks hopkas ohpkas hpokas phokas ophkas pohkas hokpas ohkpas hkopas khopas okhpas kohpas hpkoas phkoas hkpoas khpoas pkhoas kphoas opkhas pokhas okphas kophas pkohas kpohas hoakps ohakps haokps ahokps oahkps aohkps hokaps ohkaps hkoaps khoaps okhaps kohaps hakops ahkops hkaops khaops akhops kahops oakhps aokhps okahps koahps akohps kaohps hpakos phakos hapkos ahpkos pahkos aphkos hpkaos phkaos hkpaos khpaos pkhaos kphaos hakpos ahkpos hkapos khapos akhpos kahpos pakhos apkhos pkahos kpahos akphos kaphos opakhs poakhs oapkhs aopkhs paokhs apokhs opkahs pokahs okpahs kopahs pkoahs kpoahs oakphs aokphs okaphs koaphs akophs kaophs pakohs apkohs pkaohs kpaohs akpohs kapohs hopask ohpask hpoask phoask ophask pohask hoapsk ohapsk haopsk ahopsk oahpsk aohpsk hpaosk phaosk haposk ahposk pahosk aphosk opahsk poahsk oaphsk aophsk paohsk apohsk hopsak ohpsak hposak phosak ophsak pohsak hospak ohspak hsopak shopak oshpak sohpak hpsoak phsoak hspoak shpoak pshoak sphoak opshak poshak osphak sophak psohak spohak hoaspk ohaspk haospk ahospk oahspk aohspk hosapk ohsapk hsoapk shoapk oshapk sohapk hasopk ahsopk hsaopk shaopk ashopk sahopk oashpk aoshpk osahpk soahpk asohpk saohpk hpasok phasok hapsok ahpsok pahsok aphsok hpsaok phsaok hspaok shpaok pshaok sphaok haspok ahspok hsapok shapok ashpok sahpok pashok apshok psahok spahok asphok saphok opashk poashk oapshk aopshk paoshk aposhk opsahk posahk ospahk sopahk psoahk spoahk oasphk aosphk osaphk soaphk asophk saophk pasohk apsohk psaohk spaohk aspohk sapohk hopksa ohpksa hpoksa phoksa ophksa pohksa hokpsa ohkpsa hkopsa khopsa okhpsa kohpsa hpkosa phkosa hkposa khposa pkhosa kphosa opkhsa pokhsa okphsa kophsa pkohsa kpohsa hopska ohpska hposka phoska ophska pohska hospka ohspka hsopka shopka oshpka sohpka hpsoka phsoka hspoka shpoka pshoka sphoka opshka poshka osphka sophka psohka spohka hokspa ohkspa hkospa khospa okhspa kohspa hoskpa ohskpa hsokpa shokpa oshkpa sohkpa hksopa khsopa hskopa shkopa kshopa skhopa okshpa koshpa oskhpa sokhpa ksohpa skohpa hpksoa phksoa hkpsoa khpsoa pkhsoa kphsoa hpskoa phskoa hspkoa shpkoa pshkoa sphkoa hkspoa khspoa hskpoa shkpoa kshpoa skhpoa pkshoa kpshoa pskhoa spkhoa ksphoa skphoa opksha poksha okpsha kopsha pkosha kposha opskha poskha ospkha sopkha psokha spokha okspha kospha oskpha sokpha ksopha skopha pksoha kpsoha pskoha spkoha kspoha skpoha hoaksp ohaksp haoksp ahoksp oahksp aohksp hokasp ohkasp hkoasp khoasp okhasp kohasp hakosp ahkosp hkaosp khaosp akhosp kahosp oakhsp aokhsp okahsp koahsp akohsp kaohsp hoaskp ohaskp haoskp ahoskp oahskp aohskp hosakp ohsakp hsoakp shoakp oshakp sohakp hasokp ahsokp hsaokp shaokp ashokp sahokp oashkp aoshkp osahkp soahkp asohkp saohkp hoksap ohksap hkosap khosap okhsap kohsap hoskap ohskap hsokap shokap oshkap sohkap hksoap khsoap hskoap shkoap kshoap skhoap okshap koshap oskhap sokhap ksohap skohap haksop ahksop hkasop khasop akhsop kahsop haskop ahskop hsakop shakop ashkop sahkop hksaop khsaop hskaop shkaop kshaop skhaop akshop kashop askhop sakhop ksahop skahop oakshp aokshp okashp koashp akoshp kaoshp oaskhp aoskhp osakhp soakhp asokhp saokhp oksahp kosahp oskahp sokahp ksoahp skoahp aksohp kasohp askohp sakohp ksaohp skaohp hpakso phakso hapkso ahpkso pahkso aphkso hpkaso phkaso hkpaso khpaso pkhaso kphaso hakpso ahkpso hkapso khapso akhpso kahpso pakhso apkhso pkahso kpahso akphso kaphso hpasko phasko hapsko ahpsko pahsko aphsko hpsako phsako hspako shpako pshako sphako haspko ahspko hsapko shapko ashpko sahpko pashko apshko psahko spahko asphko saphko hpksao phksao hkpsao khpsao pkhsao kphsao hpskao phskao hspkao shpkao pshkao sphkao hkspao khspao hskpao shkpao kshpao skhpao pkshao kpshao pskhao spkhao ksphao skphao hakspo ahkspo hkaspo khaspo akhspo kahspo haskpo ahskpo hsakpo shakpo ashkpo sahkpo hksapo khsapo hskapo shkapo kshapo skhapo akshpo kashpo askhpo sakhpo ksahpo skahpo paksho apksho pkasho kpasho akpsho kapsho paskho apskho psakho spakho aspkho sapkho pksaho kpsaho pskaho spkaho kspaho skpaho akspho kaspho askpho sakpho ksapho skapho opaksh poaksh oapksh aopksh paoksh apoksh opkash pokash okpash kopash pkoash kpoash oakpsh aokpsh okapsh koapsh akopsh kaopsh pakosh apkosh pkaosh kpaosh akposh kaposh opaskh poaskh oapskh aopskh paoskh aposkh opsakh posakh ospakh sopakh psoakh spoakh oaspkh aospkh osapkh soapkh asopkh saopkh pasokh apsokh psaokh spaokh aspokh sapokh opksah poksah okpsah kopsah pkosah kposah opskah poskah ospkah sopkah psokah spokah okspah kospah oskpah sokpah ksopah skopah pksoah kpsoah pskoah spkoah kspoah skpoah oaksph aoksph okasph koasph akosph kaosph oaskph aoskph osakph soakph asokph saokph oksaph kosaph oskaph sokaph ksoaph skoaph aksoph kasoph askoph sakoph ksaoph skaoph paksoh apksoh pkasoh kpasoh akpsoh kapsoh paskoh apskoh psakoh spakoh aspkoh sapkoh pksaoh kpsaoh pskaoh spkaoh kspaoh skpaoh akspoh kaspoh askpoh sakpoh ksapoh skapoh
Note: these 'words' (valid or invalid) are all the permutations of the word hopaks. These words are obtained by scrambling the letters in hopaks.