yauper ayuper yuaper uyaper auyper uayper yapuer aypuer ypauer pyauer apyuer payuer yupaer uypaer ypuaer pyuaer upyaer puyaer aupyer uapyer apuyer pauyer upayer puayer yauepr ayuepr yuaepr uyaepr auyepr uayepr yaeupr ayeupr yeaupr eyaupr aeyupr eayupr yueapr uyeapr yeuapr eyuapr ueyapr euyapr aueypr uaeypr aeuypr eauypr ueaypr euaypr yapeur aypeur ypaeur pyaeur apyeur payeur yaepur ayepur yeapur eyapur aeypur eaypur ypeaur pyeaur yepaur eypaur peyaur epyaur apeyur paeyur aepyur eapyur peayur epayur yupear uypear ypuear pyuear upyear puyear yuepar uyepar yeupar eyupar ueypar euypar ypeuar pyeuar yepuar eypuar peyuar epyuar upeyar pueyar uepyar eupyar peuyar epuyar aupeyr uapeyr apueyr paueyr upaeyr puaeyr auepyr uaepyr aeupyr eaupyr ueapyr euapyr apeuyr paeuyr aepuyr eapuyr peauyr epauyr upeayr pueayr uepayr eupayr peuayr epuayr yaupre ayupre yuapre uyapre auypre uaypre yapure aypure ypaure pyaure apyure payure yupare uypare ypuare pyuare upyare puyare aupyre uapyre apuyre pauyre upayre puayre yaurpe ayurpe yuarpe uyarpe auyrpe uayrpe yarupe ayrupe yraupe ryaupe aryupe rayupe yurape uyrape yruape ryuape uryape ruyape aurype uarype aruype rauype uraype ruaype yaprue ayprue yparue pyarue apyrue payrue yarpue ayrpue yrapue ryapue arypue raypue ypraue pyraue yrpaue rypaue pryaue rpyaue apryue paryue arpyue rapyue prayue rpayue yuprae uyprae ypurae pyurae upyrae puyrae yurpae uyrpae yrupae ryupae urypae ruypae ypruae pyruae yrpuae rypuae pryuae rpyuae upryae puryae urpyae rupyae pruyae rpuyae auprye uaprye apurye paurye uparye puarye aurpye uarpye arupye raupye urapye ruapye apruye paruye arpuye rapuye prauye rpauye upraye puraye urpaye rupaye pruaye rpuaye yauerp ayuerp yuaerp uyaerp auyerp uayerp yaeurp ayeurp yeaurp eyaurp aeyurp eayurp yuearp uyearp yeuarp eyuarp ueyarp euyarp aueyrp uaeyrp aeuyrp eauyrp ueayrp euayrp yaurep ayurep yuarep uyarep auyrep uayrep yaruep ayruep yrauep ryauep aryuep rayuep yuraep uyraep yruaep ryuaep uryaep ruyaep auryep uaryep aruyep rauyep urayep ruayep yaerup ayerup yearup eyarup aeyrup eayrup yareup ayreup yraeup ryaeup aryeup rayeup yeraup eyraup yreaup ryeaup eryaup reyaup aeryup earyup areyup raeyup erayup reayup yuerap uyerap yeurap eyurap ueyrap euyrap yureap uyreap yrueap ryueap uryeap ruyeap yeruap eyruap yreuap ryeuap eryuap reyuap ueryap euryap ureyap rueyap eruyap reuyap aueryp uaeryp aeuryp eauryp uearyp euaryp aureyp uareyp arueyp raueyp uraeyp ruaeyp aeruyp earuyp areuyp raeuyp erauyp reauyp uerayp eurayp ureayp rueayp eruayp reuayp yaperu ayperu ypaeru pyaeru apyeru payeru yaepru ayepru yeapru eyapru aeypru eaypru ypearu pyearu yeparu eyparu peyaru epyaru apeyru paeyru aepyru eapyru peayru epayru yapreu aypreu ypareu pyareu apyreu payreu yarpeu ayrpeu yrapeu ryapeu arypeu raypeu ypraeu pyraeu yrpaeu rypaeu pryaeu rpyaeu apryeu paryeu arpyeu rapyeu prayeu rpayeu yaerpu ayerpu yearpu eyarpu aeyrpu eayrpu yarepu ayrepu yraepu ryaepu aryepu rayepu yerapu eyrapu yreapu ryeapu eryapu reyapu aerypu earypu areypu raeypu eraypu reaypu yperau pyerau yeprau eyprau peyrau epyrau ypreau pyreau yrpeau rypeau pryeau rpyeau yerpau eyrpau yrepau ryepau erypau reypau peryau epryau preyau rpeyau erpyau repyau aperyu paeryu aepryu eapryu pearyu eparyu apreyu pareyu arpeyu rapeyu praeyu rpaeyu aerpyu earpyu arepyu raepyu erapyu reapyu perayu eprayu preayu rpeayu erpayu repayu yupera uypera ypuera pyuera upyera puyera yuepra uyepra yeupra eyupra ueypra euypra ypeura pyeura yepura eypura peyura epyura upeyra pueyra uepyra eupyra peuyra epuyra yuprea uyprea ypurea pyurea upyrea puyrea yurpea uyrpea yrupea ryupea urypea ruypea ypruea pyruea yrpuea rypuea pryuea rpyuea upryea puryea urpyea rupyea pruyea rpuyea yuerpa uyerpa yeurpa eyurpa ueyrpa euyrpa yurepa uyrepa yruepa ryuepa uryepa ruyepa yerupa eyrupa yreupa ryeupa eryupa reyupa uerypa eurypa ureypa rueypa eruypa reuypa yperua pyerua yeprua eyprua peyrua epyrua ypreua pyreua yrpeua rypeua pryeua rpyeua yerpua eyrpua yrepua ryepua erypua reypua peryua epryua preyua rpeyua erpyua repyua uperya puerya ueprya euprya peurya epurya upreya pureya urpeya rupeya prueya rpueya uerpya eurpya urepya ruepya erupya reupya peruya epruya preuya rpeuya erpuya repuya aupery uapery apuery pauery upaery puaery auepry uaepry aeupry eaupry ueapry euapry apeury paeury aepury eapury peaury epaury upeary pueary uepary eupary peuary epuary auprey uaprey apurey paurey uparey puarey aurpey uarpey arupey raupey urapey ruapey apruey paruey arpuey rapuey prauey rpauey upraey puraey urpaey rupaey pruaey rpuaey auerpy uaerpy aeurpy eaurpy uearpy euarpy aurepy uarepy aruepy rauepy uraepy ruaepy aerupy earupy areupy raeupy eraupy reaupy uerapy eurapy ureapy rueapy eruapy reuapy aperuy paeruy aepruy eapruy pearuy eparuy apreuy pareuy arpeuy rapeuy praeuy rpaeuy aerpuy earpuy arepuy raepuy erapuy reapuy perauy eprauy preauy rpeauy erpauy repauy uperay pueray uepray eupray peuray epuray upreay pureay urpeay rupeay prueay rpueay uerpay eurpay urepay ruepay erupay reupay peruay epruay preuay rpeuay erpuay repuay
Note: these 'words' (valid or invalid) are all the permutations of the word yauper. These words are obtained by scrambling the letters in yauper.