upcurl pucurl ucpurl cupurl pcuurl cpuurl upucrl puucrl uupcrl uupcrl puucrl upucrl ucuprl cuuprl uucprl uucprl cuuprl ucuprl pcuurl cpuurl pucurl upcurl cupurl ucpurl upcrul pucrul ucprul cuprul pcurul cpurul uprcul purcul urpcul rupcul prucul rpucul ucrpul curpul urcpul rucpul crupul rcupul pcruul cpruul prcuul rpcuul crpuul rcpuul upurcl puurcl uuprcl uuprcl puurcl upurcl uprucl purucl urpucl rupucl pruucl rpuucl uurpcl uurpcl urupcl ruupcl urupcl ruupcl purucl uprucl pruucl rpuucl urpucl rupucl ucurpl cuurpl uucrpl uucrpl cuurpl ucurpl ucrupl curupl urcupl rucupl cruupl rcuupl uurcpl uurcpl urucpl ruucpl urucpl ruucpl curupl ucrupl cruupl rcuupl urcupl rucupl pcurul cpurul pucrul upcrul cuprul ucprul pcruul cpruul prcuul rpcuul crpuul rcpuul purcul uprcul prucul rpucul urpcul rupcul curpul ucrpul crupul rcupul urcpul rucpul upculr puculr ucpulr cupulr pcuulr cpuulr upuclr puuclr uupclr uupclr puuclr upuclr ucuplr cuuplr uucplr uucplr cuuplr ucuplr pcuulr cpuulr puculr upculr cupulr ucpulr upclur puclur ucplur cuplur pculur cpulur uplcur pulcur ulpcur lupcur plucur lpucur uclpur culpur ulcpur lucpur clupur lcupur pcluur cpluur plcuur lpcuur clpuur lcpuur upulcr puulcr uuplcr uuplcr puulcr upulcr uplucr pulucr ulpucr lupucr pluucr lpuucr uulpcr uulpcr ulupcr luupcr ulupcr luupcr pulucr uplucr pluucr lpuucr ulpucr lupucr uculpr cuulpr uuclpr uuclpr cuulpr uculpr uclupr culupr ulcupr lucupr cluupr lcuupr uulcpr uulcpr ulucpr luucpr ulucpr luucpr culupr uclupr cluupr lcuupr ulcupr lucupr pculur cpulur puclur upclur cuplur ucplur pcluur cpluur plcuur lpcuur clpuur lcpuur pulcur uplcur plucur lpucur ulpcur lupcur culpur uclpur clupur lcupur ulcpur lucpur upcrlu pucrlu ucprlu cuprlu pcurlu cpurlu uprclu purclu urpclu rupclu pruclu rpuclu ucrplu curplu urcplu rucplu cruplu rcuplu pcrulu cprulu prculu rpculu crpulu rcpulu upclru puclru ucplru cuplru pculru cpulru uplcru pulcru ulpcru lupcru plucru lpucru uclpru culpru ulcpru lucpru clupru lcupru pcluru cpluru plcuru lpcuru clpuru lcpuru uprlcu purlcu urplcu ruplcu prulcu rpulcu uplrcu pulrcu ulprcu luprcu plurcu lpurcu urlpcu rulpcu ulrpcu lurpcu rlupcu lrupcu prlucu rplucu plrucu lprucu rlpucu lrpucu ucrlpu curlpu urclpu ruclpu crulpu rculpu uclrpu culrpu ulcrpu lucrpu clurpu lcurpu urlcpu rulcpu ulrcpu lurcpu rlucpu lrucpu crlupu rclupu clrupu lcrupu rlcupu lrcupu pcrluu cprluu prcluu rpcluu crpluu rcpluu pclruu cplruu plcruu lpcruu clpruu lcpruu prlcuu rplcuu plrcuu lprcuu rlpcuu lrpcuu crlpuu rclpuu clrpuu lcrpuu rlcpuu lrcpuu upurlc puurlc uuprlc uuprlc puurlc upurlc uprulc purulc urpulc rupulc pruulc rpuulc uurplc uurplc uruplc ruuplc uruplc ruuplc purulc uprulc pruulc rpuulc urpulc rupulc upulrc puulrc uuplrc uuplrc puulrc upulrc uplurc pulurc ulpurc lupurc pluurc lpuurc uulprc uulprc uluprc luuprc uluprc luuprc pulurc uplurc pluurc lpuurc ulpurc lupurc uprluc purluc urpluc rupluc pruluc rpuluc uplruc pulruc ulpruc lupruc pluruc lpuruc urlpuc rulpuc ulrpuc lurpuc rlupuc lrupuc prluuc rpluuc plruuc lpruuc rlpuuc lrpuuc uurlpc uurlpc urulpc ruulpc urulpc ruulpc uulrpc uulrpc ulurpc luurpc ulurpc luurpc urlupc rulupc ulrupc lurupc rluupc lruupc urlupc rulupc ulrupc lurupc rluupc lruupc purluc uprluc pruluc rpuluc urpluc rupluc pulruc uplruc pluruc lpuruc ulpruc lupruc prluuc rpluuc plruuc lpruuc rlpuuc lrpuuc urlpuc rulpuc ulrpuc lurpuc rlupuc lrupuc ucurlp cuurlp uucrlp uucrlp cuurlp ucurlp ucrulp curulp urculp ruculp cruulp rcuulp uurclp uurclp uruclp ruuclp uruclp ruuclp curulp ucrulp cruulp rcuulp urculp ruculp uculrp cuulrp uuclrp uuclrp cuulrp uculrp uclurp culurp ulcurp lucurp cluurp lcuurp uulcrp uulcrp ulucrp luucrp ulucrp luucrp culurp uclurp cluurp lcuurp ulcurp lucurp ucrlup curlup urclup ruclup crulup rculup uclrup culrup ulcrup lucrup clurup lcurup urlcup rulcup ulrcup lurcup rlucup lrucup crluup rcluup clruup lcruup rlcuup lrcuup uurlcp uurlcp urulcp ruulcp urulcp ruulcp uulrcp uulrcp ulurcp luurcp ulurcp luurcp urlucp rulucp ulrucp lurucp rluucp lruucp urlucp rulucp ulrucp lurucp rluucp lruucp curlup ucrlup crulup rculup urclup ruclup culrup uclrup clurup lcurup ulcrup lucrup crluup rcluup clruup lcruup rlcuup lrcuup urlcup rulcup ulrcup lurcup rlucup lrucup pcurlu cpurlu pucrlu upcrlu cuprlu ucprlu pcrulu cprulu prculu rpculu crpulu rcpulu purclu uprclu pruclu rpuclu urpclu rupclu curplu ucrplu cruplu rcuplu urcplu rucplu pculru cpulru puclru upclru cuplru ucplru pcluru cpluru plcuru lpcuru clpuru lcpuru pulcru uplcru plucru lpucru ulpcru lupcru culpru uclpru clupru lcupru ulcpru lucpru pcrluu cprluu prcluu rpcluu crpluu rcpluu pclruu cplruu plcruu lpcruu clpruu lcpruu prlcuu rplcuu plrcuu lprcuu rlpcuu lrpcuu crlpuu rclpuu clrpuu lcrpuu rlcpuu lrcpuu purlcu uprlcu prulcu rpulcu urplcu ruplcu pulrcu uplrcu plurcu lpurcu ulprcu luprcu prlucu rplucu plrucu lprucu rlpucu lrpucu urlpcu rulpcu ulrpcu lurpcu rlupcu lrupcu curlpu ucrlpu crulpu rculpu urclpu ruclpu culrpu uclrpu clurpu lcurpu ulcrpu lucrpu crlupu rclupu clrupu lcrupu rlcupu lrcupu urlcpu rulcpu ulrcpu lurcpu rlucpu lrucpu
Note: these 'words' (valid or invalid) are all the permutations of the word upcurl. These words are obtained by scrambling the letters in upcurl.