upstep pustep usptep suptep psutep sputep uptsep putsep utpsep tupsep ptusep tpusep ustpep sutpep utspep tuspep stupep tsupep pstuep sptuep ptsuep tpsuep stpuep tspuep upsetp pusetp uspetp supetp psuetp spuetp upestp puestp uepstp eupstp peustp epustp useptp sueptp uesptp eusptp seuptp esuptp pseutp speutp pesutp epsutp seputp esputp uptesp putesp utpesp tupesp ptuesp tpuesp upetsp puetsp ueptsp euptsp peutsp eputsp utepsp tuepsp uetpsp eutpsp teupsp etupsp pteusp tpeusp petusp eptusp tepusp etpusp ustepp sutepp utsepp tusepp stuepp tsuepp usetpp suetpp uestpp eustpp seutpp esutpp utespp tuespp uetspp eutspp teuspp etuspp steupp tseupp setupp estupp tesupp etsupp psteup spteup ptseup tpseup stpeup tspeup psetup spetup pestup epstup septup esptup ptesup tpesup petsup eptsup tepsup etpsup stepup tsepup setpup estpup tespup etspup upstpe pustpe usptpe suptpe psutpe sputpe uptspe putspe utpspe tupspe ptuspe tpuspe ustppe sutppe utsppe tusppe stuppe tsuppe pstupe sptupe ptsupe tpsupe stpupe tspupe upspte puspte usppte suppte psupte spupte uppste pupste uppste pupste ppuste ppuste usppte suppte upspte puspte spupte psupte pspute sppute ppsute ppsute sppute pspute uptpse putpse utppse tuppse ptupse tpupse upptse puptse upptse puptse pputse pputse utppse tuppse uptpse putpse tpupse ptupse ptpuse tppuse pptuse pptuse tppuse ptpuse ustppe sutppe utsppe tusppe stuppe tsuppe usptpe suptpe upstpe pustpe sputpe psutpe utpspe tupspe uptspe putspe tpuspe ptuspe stpupe tspupe sptupe pstupe tpsupe ptsupe pstpue sptpue ptspue tpspue stppue tsppue psptue spptue ppstue ppstue spptue psptue ptpsue tppsue pptsue pptsue tppsue ptpsue stppue tsppue sptpue pstpue tpspue ptspue upsept pusept uspept supept psuept spuept upespt puespt uepspt eupspt peuspt epuspt useppt sueppt uesppt eusppt seuppt esuppt pseupt speupt pesupt epsupt sepupt espupt upspet puspet usppet suppet psupet spupet uppset pupset uppset pupset ppuset ppuset usppet suppet upspet puspet spupet psupet pspuet sppuet ppsuet ppsuet sppuet pspuet upepst puepst ueppst euppst peupst epupst uppest pupest uppest pupest ppuest ppuest ueppst euppst upepst puepst epupst peupst pepust eppust ppeust ppeust eppust pepust useppt sueppt uesppt eusppt seuppt esuppt uspept supept upsept pusept spuept psuept uepspt eupspt upespt puespt epuspt peuspt sepupt espupt speupt pseupt epsupt pesupt pseput speput pesput epsput sepput espput pspeut sppeut ppseut ppseut sppeut pspeut pepsut eppsut ppesut ppesut eppsut pepsut sepput espput speput pseput epsput pesput upteps puteps utpeps tupeps ptueps tpueps upetps puetps ueptps euptps peutps eputps utepps tuepps uetpps eutpps teupps etupps pteups tpeups petups eptups tepups etpups uptpes putpes utppes tuppes ptupes tpupes upptes puptes upptes puptes pputes pputes utppes tuppes uptpes putpes tpupes ptupes ptpues tppues pptues pptues tppues ptpues upepts puepts ueppts euppts peupts epupts uppets pupets uppets pupets ppuets ppuets ueppts euppts upepts puepts epupts peupts peputs epputs ppeuts ppeuts epputs peputs utepps tuepps uetpps eutpps teupps etupps utpeps tupeps upteps puteps tpueps ptueps ueptps euptps upetps puetps eputps peutps tepups etpups tpeups pteups eptups petups ptepus tpepus petpus eptpus teppus etppus ptpeus tppeus ppteus ppteus tppeus ptpeus peptus epptus ppetus ppetus epptus peptus teppus etppus tpepus ptepus eptpus petpus ustepp sutepp utsepp tusepp stuepp tsuepp usetpp suetpp uestpp eustpp seutpp esutpp utespp tuespp uetspp eutspp teuspp etuspp steupp tseupp setupp estupp tesupp etsupp ustpep sutpep utspep tuspep stupep tsupep usptep suptep upstep pustep sputep psutep utpsep tupsep uptsep putsep tpusep ptusep stpuep tspuep sptuep pstuep tpsuep ptsuep useptp sueptp uesptp eusptp seuptp esuptp uspetp supetp upsetp pusetp spuetp psuetp uepstp eupstp upestp puestp epustp peustp seputp esputp speutp pseutp epsutp pesutp utepsp tuepsp uetpsp eutpsp teupsp etupsp utpesp tupesp uptesp putesp tpuesp ptuesp ueptsp euptsp upetsp puetsp eputsp peutsp tepusp etpusp tpeusp pteusp eptusp petusp stepup tsepup setpup estpup tespup etspup stpeup tspeup spteup psteup tpseup ptseup septup esptup spetup psetup epstup pestup tepsup etpsup tpesup ptesup eptsup petsup pstepu sptepu ptsepu tpsepu stpepu tspepu psetpu spetpu pestpu epstpu septpu esptpu ptespu tpespu petspu eptspu tepspu etpspu steppu tseppu setppu estppu tesppu etsppu pstpeu sptpeu ptspeu tpspeu stppeu tsppeu pspteu sppteu ppsteu ppsteu sppteu pspteu ptpseu tppseu pptseu pptseu tppseu ptpseu stppeu tsppeu sptpeu pstpeu tpspeu ptspeu pseptu speptu pesptu epsptu sepptu espptu pspetu sppetu ppsetu ppsetu sppetu pspetu pepstu eppstu ppestu ppestu eppstu pepstu sepptu espptu speptu pseptu epsptu pesptu ptepsu tpepsu petpsu eptpsu teppsu etppsu ptpesu tppesu pptesu pptesu tppesu ptpesu peptsu epptsu ppetsu ppetsu epptsu peptsu teppsu etppsu tpepsu ptepsu eptpsu petpsu steppu tseppu setppu estppu tesppu etsppu stpepu tspepu sptepu pstepu tpsepu ptsepu septpu esptpu spetpu psetpu epstpu pestpu tepspu etpspu tpespu ptespu eptspu petspu
Note: these 'words' (valid or invalid) are all the permutations of the word upstep. These words are obtained by scrambling the letters in upstep.