pepsis eppsis ppesis ppesis eppsis pepsis pespis epspis psepis spepis esppis seppis ppseis ppseis pspeis sppeis pspeis sppeis epspis pespis esppis seppis psepis spepis pepiss eppiss ppeiss ppeiss eppiss pepiss peipss epipss piepss ipepss eippss ieppss ppiess ppiess pipess ippess pipess ippess epipss peipss eippss ieppss piepss ipepss pesips epsips pseips speips espips sepips peisps episps piesps ipesps eipsps iepsps psieps spieps piseps ipseps sipeps ispeps esipps seipps eispps iespps siepps isepps ppsies ppsies pspies sppies pspies sppies ppises ppises pipses ippses pipses ippses psipes spipes pispes ipspes sippes isppes psipes spipes pispes ipspes sippes isppes epsips pesips espips sepips pseips speips episps peisps eipsps iepsps piesps ipesps esipps seipps eispps iespps siepps isepps psieps spieps piseps ipseps sipeps ispeps pepssi eppssi ppessi ppessi eppssi pepssi pespsi epspsi psepsi spepsi esppsi seppsi ppsesi ppsesi pspesi sppesi pspesi sppesi epspsi pespsi esppsi seppsi psepsi spepsi pepssi eppssi ppessi ppessi eppssi pepssi pespsi epspsi psepsi spepsi esppsi seppsi ppsesi ppsesi pspesi sppesi pspesi sppesi epspsi pespsi esppsi seppsi psepsi spepsi pesspi epsspi psespi spespi espspi sepspi pesspi epsspi psespi spespi espspi sepspi pssepi spsepi pssepi spsepi sspepi sspepi essppi sesppi essppi sesppi sseppi sseppi ppssei ppssei pspsei sppsei pspsei sppsei ppssei ppssei pspsei sppsei pspsei sppsei psspei spspei psspei spspei ssppei ssppei psspei spspei psspei spspei ssppei ssppei epsspi pesspi espspi sepspi psespi spespi epsspi pesspi espspi sepspi psespi spespi essppi sesppi essppi sesppi sseppi sseppi pssepi spsepi pssepi spsepi sspepi sspepi pepiss eppiss ppeiss ppeiss eppiss pepiss peipss epipss piepss ipepss eippss ieppss ppiess ppiess pipess ippess pipess ippess epipss peipss eippss ieppss piepss ipepss pepsis eppsis ppesis ppesis eppsis pepsis pespis epspis psepis spepis esppis seppis ppseis ppseis pspeis sppeis pspeis sppeis epspis pespis esppis seppis psepis spepis peisps episps piesps ipesps eipsps iepsps pesips epsips pseips speips espips sepips piseps ipseps psieps spieps ispeps sipeps eispps iespps esipps seipps isepps siepps ppises ppises pipses ippses pipses ippses ppsies ppsies pspies sppies pspies sppies pispes ipspes psipes spipes isppes sippes pispes ipspes psipes spipes isppes sippes episps peisps eipsps iepsps piesps ipesps epsips pesips espips sepips pseips speips eispps iespps esipps seipps isepps siepps piseps ipseps psieps spieps ispeps sipeps pesisp epsisp pseisp speisp espisp sepisp peissp epissp piessp ipessp eipssp iepssp psiesp spiesp pisesp ipsesp sipesp ispesp esipsp seipsp eispsp iespsp siepsp isepsp pessip epssip psesip spesip espsip sepsip pessip epssip psesip spesip espsip sepsip psseip spseip psseip spseip sspeip sspeip esspip sespip esspip sespip ssepip ssepip peissp epissp piessp ipessp eipssp iepssp pesisp epsisp pseisp speisp espisp sepisp pisesp ipsesp psiesp spiesp ispesp sipesp eispsp iespsp esipsp seipsp isepsp siepsp psisep spisep pissep ipssep sipsep ispsep pssiep spsiep pssiep spsiep sspiep sspiep pissep ipssep psisep spisep ispsep sipsep sispep isspep ssipep ssipep isspep sispep esispp seispp eisspp iesspp siespp isespp essipp sesipp essipp sesipp sseipp sseipp eisspp iesspp esispp seispp isespp siespp sisepp issepp ssiepp ssiepp issepp sisepp ppsise ppsise pspise sppise pspise sppise ppisse ppisse pipsse ippsse pipsse ippsse psipse spipse pispse ipspse sippse isppse psipse spipse pispse ipspse sippse isppse ppssie ppssie pspsie sppsie pspsie sppsie ppssie ppssie pspsie sppsie pspsie sppsie psspie spspie psspie spspie ssppie ssppie psspie spspie psspie spspie ssppie ssppie ppisse ppisse pipsse ippsse pipsse ippsse ppsise ppsise pspise sppise pspise sppise pispse ipspse psipse spipse isppse sippse pispse ipspse psipse spipse isppse sippse psispe spispe pisspe ipsspe sipspe ispspe pssipe spsipe pssipe spsipe sspipe sspipe pisspe ipsspe psispe spispe ispspe sipspe sisppe issppe ssippe ssippe issppe sisppe psispe spispe pisspe ipsspe sipspe ispspe pssipe spsipe pssipe spsipe sspipe sspipe pisspe ipsspe psispe spispe ispspe sipspe sisppe issppe ssippe ssippe issppe sisppe epsisp pesisp espisp sepisp pseisp speisp epissp peissp eipssp iepssp piessp ipessp esipsp seipsp eispsp iespsp siepsp isepsp psiesp spiesp pisesp ipsesp sipesp ispesp epssip pessip espsip sepsip psesip spesip epssip pessip espsip sepsip psesip spesip esspip sespip esspip sespip ssepip ssepip psseip spseip psseip spseip sspeip sspeip epissp peissp eipssp iepssp piessp ipessp epsisp pesisp espisp sepisp pseisp speisp eispsp iespsp esipsp seipsp isepsp siepsp pisesp ipsesp psiesp spiesp ispesp sipesp esispp seispp eisspp iesspp siespp isespp essipp sesipp essipp sesipp sseipp sseipp eisspp iesspp esispp seispp isespp siespp sisepp issepp ssiepp ssiepp issepp sisepp psisep spisep pissep ipssep sipsep ispsep pssiep spsiep pssiep spsiep sspiep sspiep pissep ipssep psisep spisep ispsep sipsep sispep isspep ssipep ssipep isspep sispep
Note: these 'words' (valid or invalid) are all the permutations of the word pepsis. These words are obtained by scrambling the letters in pepsis.