perfay eprfay prefay rpefay erpfay repfay pefray epfray pferay fperay efpray fepray prfeay rpfeay pfreay fpreay rfpeay frpeay erfpay refpay efrpay ferpay rfepay frepay perafy eprafy preafy rpeafy erpafy repafy pearfy eparfy paerfy aperfy eaprfy aeprfy praefy rpaefy parefy aprefy rapefy arpefy erapfy reapfy earpfy aerpfy raepfy arepfy pefary epfary pfeary fpeary efpary fepary peafry epafry paefry apefry eapfry aepfry pfaery fpaery pafery apfery fapery afpery efapry feapry eafpry aefpry faepry afepry prfaey rpfaey pfraey fpraey rfpaey frpaey prafey rpafey parfey aprfey rapfey arpfey pfarey fparey pafrey apfrey faprey afprey rfapey frapey rafpey arfpey farpey afrpey erfapy refapy efrapy ferapy rfeapy freapy erafpy reafpy earfpy aerfpy raefpy arefpy efarpy fearpy eafrpy aefrpy faerpy aferpy rfaepy fraepy rafepy arfepy farepy afrepy perfya eprfya prefya rpefya erpfya repfya pefrya epfrya pferya fperya efprya feprya prfeya rpfeya pfreya fpreya rfpeya frpeya erfpya refpya efrpya ferpya rfepya frepya peryfa epryfa preyfa rpeyfa erpyfa repyfa peyrfa epyrfa pyerfa yperfa eyprfa yeprfa pryefa rpyefa pyrefa yprefa rypefa yrpefa erypfa reypfa eyrpfa yerpfa ryepfa yrepfa pefyra epfyra pfeyra fpeyra efpyra fepyra peyfra epyfra pyefra ypefra eypfra yepfra pfyera fpyera pyfera ypfera fypera yfpera efypra feypra eyfpra yefpra fyepra yfepra prfyea rpfyea pfryea fpryea rfpyea frpyea pryfea rpyfea pyrfea yprfea rypfea yrpfea pfyrea fpyrea pyfrea ypfrea fyprea yfprea rfypea frypea ryfpea yrfpea fyrpea yfrpea erfypa refypa efrypa ferypa rfeypa freypa eryfpa reyfpa eyrfpa yerfpa ryefpa yrefpa efyrpa feyrpa eyfrpa yefrpa fyerpa yferpa rfyepa fryepa ryfepa yrfepa fyrepa yfrepa perayf eprayf preayf rpeayf erpayf repayf pearyf eparyf paeryf aperyf eapryf aepryf praeyf rpaeyf pareyf apreyf rapeyf arpeyf erapyf reapyf earpyf aerpyf raepyf arepyf peryaf epryaf preyaf rpeyaf erpyaf repyaf peyraf epyraf pyeraf yperaf eypraf yepraf pryeaf rpyeaf pyreaf ypreaf rypeaf yrpeaf erypaf reypaf eyrpaf yerpaf ryepaf yrepaf peayrf epayrf paeyrf apeyrf eapyrf aepyrf peyarf epyarf pyearf ypearf eyparf yeparf payerf apyerf pyaerf ypaerf ayperf yaperf eayprf aeyprf eyaprf yeaprf ayeprf yaeprf prayef rpayef paryef apryef rapyef arpyef pryaef rpyaef pyraef ypraef rypaef yrpaef payref apyref pyaref yparef aypref yapref raypef arypef ryapef yrapef ayrpef yarpef eraypf reaypf earypf aerypf raeypf areypf eryapf reyapf eyrapf yerapf ryeapf yreapf eayrpf aeyrpf eyarpf yearpf ayerpf yaerpf rayepf aryepf ryaepf yraepf ayrepf yarepf pefayr epfayr pfeayr fpeayr efpayr fepayr peafyr epafyr paefyr apefyr eapfyr aepfyr pfaeyr fpaeyr pafeyr apfeyr fapeyr afpeyr efapyr feapyr eafpyr aefpyr faepyr afepyr pefyar epfyar pfeyar fpeyar efpyar fepyar peyfar epyfar pyefar ypefar eypfar yepfar pfyear fpyear pyfear ypfear fypear yfpear efypar feypar eyfpar yefpar fyepar yfepar peayfr epayfr paeyfr apeyfr eapyfr aepyfr peyafr epyafr pyeafr ypeafr eypafr yepafr payefr apyefr pyaefr ypaefr aypefr yapefr eaypfr aeypfr eyapfr yeapfr ayepfr yaepfr pfayer fpayer pafyer apfyer fapyer afpyer pfyaer fpyaer pyfaer ypfaer fypaer yfpaer payfer apyfer pyafer ypafer aypfer yapfer fayper afyper fyaper yfaper ayfper yafper efaypr feaypr eafypr aefypr faeypr afeypr efyapr feyapr eyfapr yefapr fyeapr yfeapr eayfpr aeyfpr eyafpr yeafpr ayefpr yaefpr fayepr afyepr fyaepr yfaepr ayfepr yafepr prfaye rpfaye pfraye fpraye rfpaye frpaye prafye rpafye parfye aprfye rapfye arpfye pfarye fparye pafrye apfrye faprye afprye rfapye frapye rafpye arfpye farpye afrpye prfyae rpfyae pfryae fpryae rfpyae frpyae pryfae rpyfae pyrfae yprfae rypfae yrpfae pfyrae fpyrae pyfrae ypfrae fyprae yfprae rfypae frypae ryfpae yrfpae fyrpae yfrpae prayfe rpayfe paryfe apryfe rapyfe arpyfe pryafe rpyafe pyrafe yprafe rypafe yrpafe payrfe apyrfe pyarfe yparfe ayprfe yaprfe raypfe arypfe ryapfe yrapfe ayrpfe yarpfe pfayre fpayre pafyre apfyre fapyre afpyre pfyare fpyare pyfare ypfare fypare yfpare payfre apyfre pyafre ypafre aypfre yapfre faypre afypre fyapre yfapre ayfpre yafpre rfaype fraype rafype arfype farype afrype rfyape fryape ryfape yrfape fyrape yfrape rayfpe aryfpe ryafpe yrafpe ayrfpe yarfpe fayrpe afyrpe fyarpe yfarpe ayfrpe yafrpe erfayp refayp efrayp ferayp rfeayp freayp erafyp reafyp earfyp aerfyp raefyp arefyp efaryp fearyp eafryp aefryp faeryp aferyp rfaeyp fraeyp rafeyp arfeyp fareyp afreyp erfyap refyap efryap feryap rfeyap freyap eryfap reyfap eyrfap yerfap ryefap yrefap efyrap feyrap eyfrap yefrap fyerap yferap rfyeap fryeap ryfeap yrfeap fyreap yfreap erayfp reayfp earyfp aeryfp raeyfp areyfp eryafp reyafp eyrafp yerafp ryeafp yreafp eayrfp aeyrfp eyarfp yearfp ayerfp yaerfp rayefp aryefp ryaefp yraefp ayrefp yarefp efayrp feayrp eafyrp aefyrp faeyrp afeyrp efyarp feyarp eyfarp yefarp fyearp yfearp eayfrp aeyfrp eyafrp yeafrp ayefrp yaefrp fayerp afyerp fyaerp yfaerp ayferp yaferp rfayep frayep rafyep arfyep faryep afryep rfyaep fryaep ryfaep yrfaep fyraep yfraep rayfep aryfep ryafep yrafep ayrfep yarfep fayrep afyrep fyarep yfarep ayfrep yafrep
Note: these 'words' (valid or invalid) are all the permutations of the word perfay. These words are obtained by scrambling the letters in perfay.