uppers pupers uppers pupers ppuers ppuers upeprs pueprs uepprs eupprs peuprs epuprs upeprs pueprs uepprs eupprs peuprs epuprs ppeurs ppeurs pepurs eppurs pepurs eppurs uppres pupres uppres pupres ppures ppures uprpes purpes urppes ruppes prupes rpupes uprpes purpes urppes ruppes prupes rpupes pprues pprues prpues rppues prpues rppues uperps puerps ueprps euprps peurps epurps upreps pureps urpeps rupeps prueps rpueps uerpps eurpps urepps ruepps erupps reupps perups eprups preups rpeups erpups repups uperps puerps ueprps euprps peurps epurps upreps pureps urpeps rupeps prueps rpueps uerpps eurpps urepps ruepps erupps reupps perups eprups preups rpeups erpups repups pperus pperus peprus epprus peprus epprus ppreus ppreus prpeus rppeus prpeus rppeus perpus eprpus prepus rpepus erppus reppus perpus eprpus prepus rpepus erppus reppus uppesr pupesr uppesr pupesr ppuesr ppuesr upepsr puepsr ueppsr euppsr peupsr epupsr upepsr puepsr ueppsr euppsr peupsr epupsr ppeusr ppeusr pepusr eppusr pepusr eppusr uppser pupser uppser pupser ppuser ppuser upsper pusper uspper supper psuper spuper upsper pusper uspper supper psuper spuper ppsuer ppsuer pspuer sppuer pspuer sppuer upespr puespr uepspr eupspr peuspr epuspr upsepr pusepr uspepr supepr psuepr spuepr uesppr eusppr useppr sueppr esuppr seuppr pesupr epsupr pseupr speupr espupr sepupr upespr puespr uepspr eupspr peuspr epuspr upsepr pusepr uspepr supepr psuepr spuepr uesppr eusppr useppr sueppr esuppr seuppr pesupr epsupr pseupr speupr espupr sepupr ppesur ppesur pepsur eppsur pepsur eppsur ppseur ppseur pspeur sppeur pspeur sppeur pespur epspur psepur spepur esppur seppur pespur epspur psepur spepur esppur seppur upprse puprse upprse puprse ppurse ppurse uprpse purpse urppse ruppse prupse rpupse uprpse purpse urppse ruppse prupse rpupse ppruse ppruse prpuse rppuse prpuse rppuse uppsre pupsre uppsre pupsre ppusre ppusre upspre puspre usppre suppre psupre spupre upspre puspre usppre suppre psupre spupre ppsure ppsure pspure sppure pspure sppure uprspe purspe urpspe rupspe pruspe rpuspe upsrpe pusrpe usprpe suprpe psurpe spurpe ursppe rusppe usrppe surppe rsuppe sruppe prsupe rpsupe psrupe sprupe rspupe srpupe uprspe purspe urpspe rupspe pruspe rpuspe upsrpe pusrpe usprpe suprpe psurpe spurpe ursppe rusppe usrppe surppe rsuppe sruppe prsupe rpsupe psrupe sprupe rspupe srpupe pprsue pprsue prpsue rppsue prpsue rppsue ppsrue ppsrue psprue spprue psprue spprue prspue rpspue psrpue sprpue rsppue srppue prspue rpspue psrpue sprpue rsppue srppue upersp puersp ueprsp euprsp peursp epursp upresp puresp urpesp rupesp pruesp rpuesp uerpsp eurpsp urepsp ruepsp erupsp reupsp perusp eprusp preusp rpeusp erpusp repusp upesrp puesrp uepsrp eupsrp peusrp epusrp upserp puserp usperp superp psuerp spuerp uesprp eusprp useprp sueprp esuprp seuprp pesurp epsurp pseurp speurp espurp sepurp uprsep pursep urpsep rupsep prusep rpusep upsrep pusrep usprep suprep psurep spurep urspep ruspep usrpep surpep rsupep srupep prsuep rpsuep psruep spruep rspuep srpuep uerspp eurspp urespp ruespp eruspp reuspp uesrpp eusrpp userpp suerpp esurpp seurpp ursepp rusepp usrepp surepp rsuepp sruepp ersupp resupp esrupp serupp rseupp sreupp persup eprsup presup rpesup erpsup repsup pesrup epsrup pserup sperup esprup seprup prseup rpseup psreup spreup rspeup srpeup erspup respup esrpup serpup rsepup srepup upersp puersp ueprsp euprsp peursp epursp upresp puresp urpesp rupesp pruesp rpuesp uerpsp eurpsp urepsp ruepsp erupsp reupsp perusp eprusp preusp rpeusp erpusp repusp upesrp puesrp uepsrp eupsrp peusrp epusrp upserp puserp usperp superp psuerp spuerp uesprp eusprp useprp sueprp esuprp seuprp pesurp epsurp pseurp speurp espurp sepurp uprsep pursep urpsep rupsep prusep rpusep upsrep pusrep usprep suprep psurep spurep urspep ruspep usrpep surpep rsupep srupep prsuep rpsuep psruep spruep rspuep srpuep uerspp eurspp urespp ruespp eruspp reuspp uesrpp eusrpp userpp suerpp esurpp seurpp ursepp rusepp usrepp surepp rsuepp sruepp ersupp resupp esrupp serupp rseupp sreupp persup eprsup presup rpesup erpsup repsup pesrup epsrup pserup sperup esprup seprup prseup rpseup psreup spreup rspeup srpeup erspup respup esrpup serpup rsepup srepup ppersu ppersu peprsu epprsu peprsu epprsu ppresu ppresu prpesu rppesu prpesu rppesu perpsu eprpsu prepsu rpepsu erppsu reppsu perpsu eprpsu prepsu rpepsu erppsu reppsu ppesru ppesru pepsru eppsru pepsru eppsru ppseru ppseru psperu spperu psperu spperu pespru epspru psepru spepru esppru seppru pespru epspru psepru spepru esppru seppru pprseu pprseu prpseu rppseu prpseu rppseu ppsreu ppsreu pspreu sppreu pspreu sppreu prspeu rpspeu psrpeu sprpeu rsppeu srppeu prspeu rpspeu psrpeu sprpeu rsppeu srppeu perspu eprspu prespu rpespu erpspu repspu pesrpu epsrpu pserpu sperpu esprpu seprpu prsepu rpsepu psrepu sprepu rspepu srpepu ersppu resppu esrppu serppu rseppu sreppu perspu eprspu prespu rpespu erpspu repspu pesrpu epsrpu pserpu sperpu esprpu seprpu prsepu rpsepu psrepu sprepu rspepu srpepu ersppu resppu esrppu serppu rseppu sreppu
Note: these 'words' (valid or invalid) are all the permutations of the word uppers. These words are obtained by scrambling the letters in uppers.