cupper ucpper cpuper pcuper upcper pucper cupper ucpper cpuper pcuper upcper pucper cppuer pcpuer cppuer pcpuer ppcuer ppcuer uppcer pupcer uppcer pupcer ppucer ppucer cupepr ucpepr cpuepr pcuepr upcepr pucepr cueppr uceppr ceuppr ecuppr uecppr eucppr cpeupr pceupr cepupr ecpupr pecupr epcupr upecpr puecpr uepcpr eupcpr peucpr epucpr cupepr ucpepr cpuepr pcuepr upcepr pucepr cueppr uceppr ceuppr ecuppr uecppr eucppr cpeupr pceupr cepupr ecpupr pecupr epcupr upecpr puecpr uepcpr eupcpr peucpr epucpr cppeur pcpeur cppeur pcpeur ppceur ppceur cpepur pcepur ceppur ecppur pecpur epcpur cpepur pcepur ceppur ecppur pecpur epcpur ppecur ppecur pepcur eppcur pepcur eppcur uppecr pupecr uppecr pupecr ppuecr ppuecr upepcr puepcr ueppcr euppcr peupcr epupcr upepcr puepcr ueppcr euppcr peupcr epupcr ppeucr ppeucr pepucr eppucr pepucr eppucr cuppre ucppre cpupre pcupre upcpre pucpre cuppre ucppre cpupre pcupre upcpre pucpre cppure pcpure cppure pcpure ppcure ppcure uppcre pupcre uppcre pupcre ppucre ppucre cuprpe ucprpe cpurpe pcurpe upcrpe pucrpe curppe ucrppe cruppe rcuppe urcppe rucppe cprupe pcrupe crpupe rcpupe prcupe rpcupe uprcpe purcpe urpcpe rupcpe prucpe rpucpe cuprpe ucprpe cpurpe pcurpe upcrpe pucrpe curppe ucrppe cruppe rcuppe urcppe rucppe cprupe pcrupe crpupe rcpupe prcupe rpcupe uprcpe purcpe urpcpe rupcpe prucpe rpucpe cpprue pcprue cpprue pcprue ppcrue ppcrue cprpue pcrpue crppue rcppue prcpue rpcpue cprpue pcrpue crppue rcppue prcpue rpcpue pprcue pprcue prpcue rppcue prpcue rppcue upprce puprce upprce puprce ppurce ppurce uprpce purpce urppce ruppce prupce rpupce uprpce purpce urppce ruppce prupce rpupce ppruce ppruce prpuce rppuce prpuce rppuce cuperp ucperp cpuerp pcuerp upcerp pucerp cueprp uceprp ceuprp ecuprp uecprp eucprp cpeurp pceurp cepurp ecpurp pecurp epcurp upecrp puecrp uepcrp eupcrp peucrp epucrp cuprep ucprep cpurep pcurep upcrep pucrep curpep ucrpep crupep rcupep urcpep rucpep cpruep pcruep crpuep rcpuep prcuep rpcuep uprcep purcep urpcep rupcep prucep rpucep cuerpp ucerpp ceurpp ecurpp uecrpp eucrpp curepp ucrepp cruepp rcuepp urcepp rucepp cerupp ecrupp creupp rceupp ercupp recupp uercpp eurcpp urecpp ruecpp erucpp reucpp cperup pcerup ceprup ecprup pecrup epcrup cpreup pcreup crpeup rcpeup prceup rpceup cerpup ecrpup crepup rcepup ercpup recpup percup eprcup precup rpecup erpcup repcup upercp puercp ueprcp euprcp peurcp epurcp uprecp purecp urpecp rupecp pruecp rpuecp uerpcp eurpcp urepcp ruepcp erupcp reupcp perucp eprucp preucp rpeucp erpucp repucp cuperp ucperp cpuerp pcuerp upcerp pucerp cueprp uceprp ceuprp ecuprp uecprp eucprp cpeurp pceurp cepurp ecpurp pecurp epcurp upecrp puecrp uepcrp eupcrp peucrp epucrp cuprep ucprep cpurep pcurep upcrep pucrep curpep ucrpep crupep rcupep urcpep rucpep cpruep pcruep crpuep rcpuep prcuep rpcuep uprcep purcep urpcep rupcep prucep rpucep cuerpp ucerpp ceurpp ecurpp uecrpp eucrpp curepp ucrepp cruepp rcuepp urcepp rucepp cerupp ecrupp creupp rceupp ercupp recupp uercpp eurcpp urecpp ruecpp erucpp reucpp cperup pcerup ceprup ecprup pecrup epcrup cpreup pcreup crpeup rcpeup prceup rpceup cerpup ecrpup crepup rcepup ercpup recpup percup eprcup precup rpecup erpcup repcup upercp puercp ueprcp euprcp peurcp epurcp uprecp purecp urpecp rupecp pruecp rpuecp uerpcp eurpcp urepcp ruepcp erupcp reupcp perucp eprucp preucp rpeucp erpucp repucp cpperu pcperu cpperu pcperu ppceru ppceru cpepru pcepru ceppru ecppru pecpru epcpru cpepru pcepru ceppru ecppru pecpru epcpru ppecru ppecru pepcru eppcru pepcru eppcru cppreu pcpreu cppreu pcpreu ppcreu ppcreu cprpeu pcrpeu crppeu rcppeu prcpeu rpcpeu cprpeu pcrpeu crppeu rcppeu prcpeu rpcpeu pprceu pprceu prpceu rppceu prpceu rppceu cperpu pcerpu ceprpu ecprpu pecrpu epcrpu cprepu pcrepu crpepu rcpepu prcepu rpcepu cerppu ecrppu creppu rceppu ercppu recppu percpu eprcpu precpu rpecpu erpcpu repcpu cperpu pcerpu ceprpu ecprpu pecrpu epcrpu cprepu pcrepu crpepu rcpepu prcepu rpcepu cerppu ecrppu creppu rceppu ercppu recppu percpu eprcpu precpu rpecpu erpcpu repcpu ppercu ppercu peprcu epprcu peprcu epprcu pprecu pprecu prpecu rppecu prpecu rppecu perpcu eprpcu prepcu rpepcu erppcu reppcu perpcu eprpcu prepcu rpepcu erppcu reppcu upperc puperc upperc puperc ppuerc ppuerc upeprc pueprc uepprc eupprc peuprc epuprc upeprc pueprc uepprc eupprc peuprc epuprc ppeurc ppeurc pepurc eppurc pepurc eppurc upprec puprec upprec puprec ppurec ppurec uprpec purpec urppec ruppec prupec rpupec uprpec purpec urppec ruppec prupec rpupec ppruec ppruec prpuec rppuec prpuec rppuec uperpc puerpc ueprpc euprpc peurpc epurpc uprepc purepc urpepc rupepc pruepc rpuepc uerppc eurppc ureppc rueppc eruppc reuppc perupc eprupc preupc rpeupc erpupc repupc uperpc puerpc ueprpc euprpc peurpc epurpc uprepc purepc urpepc rupepc pruepc rpuepc uerppc eurppc ureppc rueppc eruppc reuppc perupc eprupc preupc rpeupc erpupc repupc pperuc pperuc pepruc eppruc pepruc eppruc ppreuc ppreuc prpeuc rppeuc prpeuc rppeuc perpuc eprpuc prepuc rpepuc erppuc reppuc perpuc eprpuc prepuc rpepuc erppuc reppuc
Note: these 'words' (valid or invalid) are all the permutations of the word cupper. These words are obtained by scrambling the letters in cupper.