uproll puroll urpoll rupoll pruoll rpuoll uporll puorll uoprll ouprll pourll opurll uropll ruopll uorpll ourpll roupll orupll proull rpoull porull oprull ropull orpull uprlol purlol urplol ruplol prulol rpulol uplrol pulrol ulprol luprol plurol lpurol urlpol rulpol ulrpol lurpol rlupol lrupol prluol rpluol plruol lpruol rlpuol lrpuol upolrl puolrl uoplrl ouplrl poulrl opulrl uplorl pulorl ulporl luporl pluorl lpuorl uolprl oulprl uloprl luoprl oluprl louprl polurl oplurl plourl lpourl olpurl lopurl urolpl ruolpl uorlpl ourlpl roulpl orulpl urlopl rulopl ulropl luropl rluopl lruopl uolrpl oulrpl ulorpl luorpl olurpl lourpl rolupl orlupl rloupl lroupl olrupl lorupl prolul rpolul porlul oprlul roplul orplul prloul rploul plroul lproul rlpoul lrpoul polrul oplrul plorul lporul olprul loprul rolpul orlpul rlopul lropul olrpul lorpul uproll puroll urpoll rupoll pruoll rpuoll uporll puorll uoprll ouprll pourll opurll uropll ruopll uorpll ourpll roupll orupll proull rpoull porull oprull ropull orpull uprlol purlol urplol ruplol prulol rpulol uplrol pulrol ulprol luprol plurol lpurol urlpol rulpol ulrpol lurpol rlupol lrupol prluol rpluol plruol lpruol rlpuol lrpuol upolrl puolrl uoplrl ouplrl poulrl opulrl uplorl pulorl ulporl luporl pluorl lpuorl uolprl oulprl uloprl luoprl oluprl louprl polurl oplurl plourl lpourl olpurl lopurl urolpl ruolpl uorlpl ourlpl roulpl orulpl urlopl rulopl ulropl luropl rluopl lruopl uolrpl oulrpl ulorpl luorpl olurpl lourpl rolupl orlupl rloupl lroupl olrupl lorupl prolul rpolul porlul oprlul roplul orplul prloul rploul plroul lproul rlpoul lrpoul polrul oplrul plorul lporul olprul loprul rolpul orlpul rlopul lropul olrpul lorpul uprllo purllo urpllo rupllo prullo rpullo uplrlo pulrlo ulprlo luprlo plurlo lpurlo urlplo rulplo ulrplo lurplo rluplo lruplo prlulo rplulo plrulo lprulo rlpulo lrpulo uprllo purllo urpllo rupllo prullo rpullo uplrlo pulrlo ulprlo luprlo plurlo lpurlo urlplo rulplo ulrplo lurplo rluplo lruplo prlulo rplulo plrulo lprulo rlpulo lrpulo upllro pullro ulplro luplro plulro lpulro upllro pullro ulplro luplro plulro lpulro ullpro lulpro ullpro lulpro llupro llupro plluro lpluro plluro lpluro llpuro llpuro urllpo rullpo ulrlpo lurlpo rlulpo lrulpo urllpo rullpo ulrlpo lurlpo rlulpo lrulpo ullrpo lulrpo ullrpo lulrpo llurpo llurpo rllupo lrlupo rllupo lrlupo llrupo llrupo prlluo rplluo plrluo lprluo rlpluo lrpluo prlluo rplluo plrluo lprluo rlpluo lrpluo pllruo lplruo pllruo lplruo llpruo llpruo rllpuo lrlpuo rllpuo lrlpuo llrpuo llrpuo upollr puollr uopllr oupllr poullr opullr uplolr pulolr ulpolr lupolr pluolr lpuolr uolplr oulplr uloplr luoplr oluplr louplr polulr oplulr ploulr lpoulr olpulr lopulr upollr puollr uopllr oupllr poullr opullr uplolr pulolr ulpolr lupolr pluolr lpuolr uolplr oulplr uloplr luoplr oluplr louplr polulr oplulr ploulr lpoulr olpulr lopulr upllor pullor ulplor luplor plulor lpulor upllor pullor ulplor luplor plulor lpulor ullpor lulpor ullpor lulpor llupor llupor plluor lpluor plluor lpluor llpuor llpuor uollpr oullpr ulolpr luolpr olulpr loulpr uollpr oullpr ulolpr luolpr olulpr loulpr ullopr lulopr ullopr lulopr lluopr lluopr ollupr lolupr ollupr lolupr lloupr lloupr pollur opllur plolur lpolur olplur loplur pollur opllur plolur lpolur olplur loplur pllour lplour pllour lplour llpour llpour ollpur lolpur ollpur lolpur llopur llopur urollp ruollp uorllp ourllp roullp orullp urlolp rulolp ulrolp lurolp rluolp lruolp uolrlp oulrlp ulorlp luorlp olurlp lourlp rolulp orlulp rloulp lroulp olrulp lorulp urollp ruollp uorllp ourllp roullp orullp urlolp rulolp ulrolp lurolp rluolp lruolp uolrlp oulrlp ulorlp luorlp olurlp lourlp rolulp orlulp rloulp lroulp olrulp lorulp urllop rullop ulrlop lurlop rlulop lrulop urllop rullop ulrlop lurlop rlulop lrulop ullrop lulrop ullrop lulrop llurop llurop rlluop lrluop rlluop lrluop llruop llruop uollrp oullrp ulolrp luolrp olulrp loulrp uollrp oullrp ulolrp luolrp olulrp loulrp ullorp lulorp ullorp lulorp lluorp lluorp ollurp lolurp ollurp lolurp llourp llourp rollup orllup rlolup lrolup olrlup lorlup rollup orllup rlolup lrolup olrlup lorlup rlloup lrloup rlloup lrloup llroup llroup ollrup lolrup ollrup lolrup llorup llorup prollu rpollu porllu oprllu ropllu orpllu prlolu rplolu plrolu lprolu rlpolu lrpolu polrlu oplrlu plorlu lporlu olprlu loprlu rolplu orlplu rloplu lroplu olrplu lorplu prollu rpollu porllu oprllu ropllu orpllu prlolu rplolu plrolu lprolu rlpolu lrpolu polrlu oplrlu plorlu lporlu olprlu loprlu rolplu orlplu rloplu lroplu olrplu lorplu prllou rpllou plrlou lprlou rlplou lrplou prllou rpllou plrlou lprlou rlplou lrplou pllrou lplrou pllrou lplrou llprou llprou rllpou lrlpou rllpou lrlpou llrpou llrpou pollru opllru plolru lpolru olplru loplru pollru opllru plolru lpolru olplru loplru plloru lploru plloru lploru llporu llporu ollpru lolpru ollpru lolpru llopru llopru rollpu orllpu rlolpu lrolpu olrlpu lorlpu rollpu orllpu rlolpu lrolpu olrlpu lorlpu rllopu lrlopu rllopu lrlopu llropu llropu ollrpu lolrpu ollrpu lolrpu llorpu llorpu
Note: these 'words' (valid or invalid) are all the permutations of the word uproll. These words are obtained by scrambling the letters in uproll.