perfet eprfet prefet rpefet erpfet repfet pefret epfret pferet fperet efpret fepret prfeet rpfeet pfreet fpreet rfpeet frpeet erfpet refpet efrpet ferpet rfepet frepet pereft epreft preeft rpeeft erpeft repeft peerft eperft peerft eperft eeprft eeprft preeft rpeeft pereft epreft repeft erpeft erepft reepft eerpft eerpft reepft erepft pefert epfert pfeert fpeert efpert fepert peefrt epefrt peefrt epefrt eepfrt eepfrt pfeert fpeert pefert epfert fepert efpert efeprt feeprt eefprt eefprt feeprt efeprt prfeet rpfeet pfreet fpreet rfpeet frpeet prefet rpefet perfet eprfet repfet erpfet pferet fperet pefret epfret fepret efpret rfepet frepet refpet erfpet ferpet efrpet erfept refept efrept ferept rfeept freept erefpt reefpt eerfpt eerfpt reefpt erefpt eferpt feerpt eefrpt eefrpt feerpt eferpt rfeept freept refept erfept ferept efrept perfte eprfte prefte rpefte erpfte repfte pefrte epfrte pferte fperte efprte feprte prfete rpfete pfrete fprete rfpete frpete erfpte refpte efrpte ferpte rfepte frepte pertfe eprtfe pretfe rpetfe erptfe reptfe petrfe eptrfe pterfe tperfe etprfe teprfe prtefe rptefe ptrefe tprefe rtpefe trpefe ertpfe retpfe etrpfe terpfe rtepfe trepfe peftre epftre pfetre fpetre efptre feptre petfre eptfre ptefre tpefre etpfre tepfre pftere fptere ptfere tpfere ftpere tfpere eftpre fetpre etfpre tefpre ftepre tfepre prftee rpftee pfrtee fprtee rfptee frptee prtfee rptfee ptrfee tprfee rtpfee trpfee pftree fptree ptfree tpfree ftpree tfpree rftpee frtpee rtfpee trfpee ftrpee tfrpee erftpe reftpe efrtpe fertpe rfetpe fretpe ertfpe retfpe etrfpe terfpe rtefpe trefpe eftrpe fetrpe etfrpe tefrpe fterpe tferpe rftepe frtepe rtfepe trfepe ftrepe tfrepe peretf epretf preetf rpeetf erpetf repetf peertf epertf peertf epertf eeprtf eeprtf preetf rpeetf peretf epretf repetf erpetf ereptf reeptf eerptf eerptf reeptf ereptf pertef eprtef pretef rpetef erptef reptef petref eptref pteref tperef etpref tepref prteef rpteef ptreef tpreef rtpeef trpeef ertpef retpef etrpef terpef rtepef trepef peetrf epetrf peetrf epetrf eeptrf eeptrf peterf epterf pteerf tpeerf etperf teperf peterf epterf pteerf tpeerf etperf teperf eetprf eetprf eteprf teeprf eteprf teeprf pretef rpetef pertef eprtef reptef erptef prteef rpteef ptreef tpreef rtpeef trpeef petref eptref pteref tperef etpref tepref retpef ertpef rtepef trepef etrpef terpef eretpf reetpf eertpf eertpf reetpf eretpf ertepf retepf etrepf terepf rteepf treepf eetrpf eetrpf eterpf teerpf eterpf teerpf retepf ertepf rteepf treepf etrepf terepf pefetr epfetr pfeetr fpeetr efpetr fepetr peeftr epeftr peeftr epeftr eepftr eepftr pfeetr fpeetr pefetr epfetr fepetr efpetr efeptr feeptr eefptr eefptr feeptr efeptr pefter epfter pfeter fpeter efpter fepter petfer eptfer ptefer tpefer etpfer tepfer pfteer fpteer ptfeer tpfeer ftpeer tfpeer eftper fetper etfper tefper fteper tfeper peetfr epetfr peetfr epetfr eeptfr eeptfr petefr eptefr pteefr tpeefr etpefr tepefr petefr eptefr pteefr tpeefr etpefr tepefr eetpfr eetpfr etepfr teepfr etepfr teepfr pfeter fpeter pefter epfter fepter efpter pfteer fpteer ptfeer tpfeer ftpeer tfpeer petfer eptfer ptefer tpefer etpfer tepfer fetper eftper fteper tfeper etfper tefper efetpr feetpr eeftpr eeftpr feetpr efetpr eftepr fetepr etfepr tefepr fteepr tfeepr eetfpr eetfpr etefpr teefpr etefpr teefpr fetepr eftepr fteepr tfeepr etfepr tefepr prfete rpfete pfrete fprete rfpete frpete prefte rpefte perfte eprfte repfte erpfte pferte fperte pefrte epfrte feprte efprte rfepte frepte refpte erfpte ferpte efrpte prftee rpftee pfrtee fprtee rfptee frptee prtfee rptfee ptrfee tprfee rtpfee trpfee pftree fptree ptfree tpfree ftpree tfpree rftpee frtpee rtfpee trfpee ftrpee tfrpee pretfe rpetfe pertfe eprtfe reptfe erptfe prtefe rptefe ptrefe tprefe rtpefe trpefe petrfe eptrfe pterfe tperfe etprfe teprfe retpfe ertpfe rtepfe trepfe etrpfe terpfe pfetre fpetre peftre epftre feptre efptre pftere fptere ptfere tpfere ftpere tfpere petfre eptfre ptefre tpefre etpfre tepfre fetpre eftpre ftepre tfepre etfpre tefpre rfetpe fretpe reftpe erftpe fertpe efrtpe rftepe frtepe rtfepe trfepe ftrepe tfrepe retfpe ertfpe rtefpe trefpe etrfpe terfpe fetrpe eftrpe fterpe tferpe etfrpe tefrpe erfetp refetp efretp feretp rfeetp freetp ereftp reeftp eerftp eerftp reeftp ereftp efertp feertp eefrtp eefrtp feertp efertp rfeetp freetp refetp erfetp feretp efretp erftep reftep efrtep fertep rfetep fretep ertfep retfep etrfep terfep rtefep trefep eftrep fetrep etfrep tefrep fterep tferep rfteep frteep rtfeep trfeep ftreep tfreep eretfp reetfp eertfp eertfp reetfp eretfp ertefp retefp etrefp terefp rteefp treefp eetrfp eetrfp eterfp teerfp eterfp teerfp retefp ertefp rteefp treefp etrefp terefp efetrp feetrp eeftrp eeftrp feetrp efetrp efterp feterp etferp teferp fteerp tfeerp eetfrp eetfrp etefrp teefrp etefrp teefrp feterp efterp fteerp tfeerp etferp teferp rfetep fretep reftep erftep fertep efrtep rfteep frteep rtfeep trfeep ftreep tfreep retfep ertfep rtefep trefep etrfep terfep fetrep eftrep fterep tferep etfrep tefrep
Note: these 'words' (valid or invalid) are all the permutations of the word perfet. These words are obtained by scrambling the letters in perfet.