upwent puwent uwpent wupent pwuent wpuent upewnt puewnt uepwnt eupwnt peuwnt epuwnt uwepnt wuepnt uewpnt euwpnt weupnt ewupnt pweunt wpeunt pewunt epwunt wepunt ewpunt upwnet puwnet uwpnet wupnet pwunet wpunet upnwet punwet unpwet nupwet pnuwet npuwet uwnpet wunpet unwpet nuwpet wnupet nwupet pwnuet wpnuet pnwuet npwuet wnpuet nwpuet upenwt puenwt uepnwt eupnwt peunwt epunwt upnewt punewt unpewt nupewt pnuewt npuewt uenpwt eunpwt unepwt nuepwt enupwt neupwt penuwt epnuwt pneuwt npeuwt enpuwt nepuwt uwenpt wuenpt uewnpt euwnpt weunpt ewunpt uwnept wunept unwept nuwept wnuept nwuept uenwpt eunwpt unewpt nuewpt enuwpt neuwpt wenupt ewnupt wneupt nweupt enwupt newupt pwenut wpenut pewnut epwnut wepnut ewpnut pwneut wpneut pnweut npweut wnpeut nwpeut penwut epnwut pnewut npewut enpwut nepwut wenput ewnput wneput nweput enwput newput upwetn puwetn uwpetn wupetn pwuetn wpuetn upewtn puewtn uepwtn eupwtn peuwtn epuwtn uweptn wueptn uewptn euwptn weuptn ewuptn pweutn wpeutn pewutn epwutn weputn ewputn upwten puwten uwpten wupten pwuten wputen uptwen putwen utpwen tupwen ptuwen tpuwen uwtpen wutpen utwpen tuwpen wtupen twupen pwtuen wptuen ptwuen tpwuen wtpuen twpuen upetwn puetwn ueptwn euptwn peutwn eputwn uptewn putewn utpewn tupewn ptuewn tpuewn uetpwn eutpwn utepwn tuepwn etupwn teupwn petuwn eptuwn pteuwn tpeuwn etpuwn tepuwn uwetpn wuetpn uewtpn euwtpn weutpn ewutpn uwtepn wutepn utwepn tuwepn wtuepn twuepn uetwpn eutwpn utewpn tuewpn etuwpn teuwpn wetupn ewtupn wteupn tweupn etwupn tewupn pwetun wpetun pewtun epwtun weptun ewptun pwteun wpteun ptweun tpweun wtpeun twpeun petwun eptwun ptewun tpewun etpwun tepwun wetpun ewtpun wtepun twepun etwpun tewpun upwnte puwnte uwpnte wupnte pwunte wpunte upnwte punwte unpwte nupwte pnuwte npuwte uwnpte wunpte unwpte nuwpte wnupte nwupte pwnute wpnute pnwute npwute wnpute nwpute upwtne puwtne uwptne wuptne pwutne wputne uptwne putwne utpwne tupwne ptuwne tpuwne uwtpne wutpne utwpne tuwpne wtupne twupne pwtune wptune ptwune tpwune wtpune twpune upntwe puntwe unptwe nuptwe pnutwe nputwe uptnwe putnwe utpnwe tupnwe ptunwe tpunwe untpwe nutpwe utnpwe tunpwe ntupwe tnupwe pntuwe nptuwe ptnuwe tpnuwe ntpuwe tnpuwe uwntpe wuntpe unwtpe nuwtpe wnutpe nwutpe uwtnpe wutnpe utwnpe tuwnpe wtunpe twunpe untwpe nutwpe utnwpe tunwpe ntuwpe tnuwpe wntupe nwtupe wtnupe twnupe ntwupe tnwupe pwntue wpntue pnwtue npwtue wnptue nwptue pwtnue wptnue ptwnue tpwnue wtpnue twpnue pntwue nptwue ptnwue tpnwue ntpwue tnpwue wntpue nwtpue wtnpue twnpue ntwpue tnwpue upentw puentw uepntw eupntw peuntw epuntw upnetw punetw unpetw nupetw pnuetw npuetw uenptw eunptw uneptw nueptw enuptw neuptw penutw epnutw pneutw npeutw enputw neputw upetnw puetnw ueptnw euptnw peutnw eputnw uptenw putenw utpenw tupenw ptuenw tpuenw uetpnw eutpnw utepnw tuepnw etupnw teupnw petunw eptunw pteunw tpeunw etpunw tepunw upntew puntew unptew nuptew pnutew nputew uptnew putnew utpnew tupnew ptunew tpunew untpew nutpew utnpew tunpew ntupew tnupew pntuew nptuew ptnuew tpnuew ntpuew tnpuew uentpw euntpw unetpw nuetpw enutpw neutpw uetnpw eutnpw utenpw tuenpw etunpw teunpw untepw nutepw utnepw tunepw ntuepw tnuepw entupw netupw etnupw tenupw nteupw tneupw pentuw epntuw pnetuw npetuw enptuw neptuw petnuw eptnuw ptenuw tpenuw etpnuw tepnuw pnteuw npteuw ptneuw tpneuw ntpeuw tnpeuw entpuw netpuw etnpuw tenpuw ntepuw tnepuw uwentp wuentp uewntp euwntp weuntp ewuntp uwnetp wunetp unwetp nuwetp wnuetp nwuetp uenwtp eunwtp unewtp nuewtp enuwtp neuwtp wenutp ewnutp wneutp nweutp enwutp newutp uwetnp wuetnp uewtnp euwtnp weutnp ewutnp uwtenp wutenp utwenp tuwenp wtuenp twuenp uetwnp eutwnp utewnp tuewnp etuwnp teuwnp wetunp ewtunp wteunp tweunp etwunp tewunp uwntep wuntep unwtep nuwtep wnutep nwutep uwtnep wutnep utwnep tuwnep wtunep twunep untwep nutwep utnwep tunwep ntuwep tnuwep wntuep nwtuep wtnuep twnuep ntwuep tnwuep uentwp euntwp unetwp nuetwp enutwp neutwp uetnwp eutnwp utenwp tuenwp etunwp teunwp untewp nutewp utnewp tunewp ntuewp tnuewp entuwp netuwp etnuwp tenuwp nteuwp tneuwp wentup ewntup wnetup nwetup enwtup newtup wetnup ewtnup wtenup twenup etwnup tewnup wnteup nwteup wtneup twneup ntweup tnweup entwup netwup etnwup tenwup ntewup tnewup pwentu wpentu pewntu epwntu wepntu ewpntu pwnetu wpnetu pnwetu npwetu wnpetu nwpetu penwtu epnwtu pnewtu npewtu enpwtu nepwtu wenptu ewnptu wneptu nweptu enwptu newptu pwetnu wpetnu pewtnu epwtnu weptnu ewptnu pwtenu wptenu ptwenu tpwenu wtpenu twpenu petwnu eptwnu ptewnu tpewnu etpwnu tepwnu wetpnu ewtpnu wtepnu twepnu etwpnu tewpnu pwnteu wpnteu pnwteu npwteu wnpteu nwpteu pwtneu wptneu ptwneu tpwneu wtpneu twpneu pntweu nptweu ptnweu tpnweu ntpweu tnpweu wntpeu nwtpeu wtnpeu twnpeu ntwpeu tnwpeu pentwu epntwu pnetwu npetwu enptwu neptwu petnwu eptnwu ptenwu tpenwu etpnwu tepnwu pntewu nptewu ptnewu tpnewu ntpewu tnpewu entpwu netpwu etnpwu tenpwu ntepwu tnepwu wentpu ewntpu wnetpu nwetpu enwtpu newtpu wetnpu ewtnpu wtenpu twenpu etwnpu tewnpu wntepu nwtepu wtnepu twnepu ntwepu tnwepu entwpu netwpu etnwpu tenwpu ntewpu tnewpu
Note: these 'words' (valid or invalid) are all the permutations of the word upwent. These words are obtained by scrambling the letters in upwent.