urping ruping upring puring rpuing pruing uripng ruipng uirpng iurpng riupng irupng upirng puirng uiprng iuprng piurng ipurng rpiung priung ripung irpung pirung iprung urpnig rupnig uprnig purnig rpunig prunig urnpig runpig unrpig nurpig rnupig nrupig upnrig punrig unprig nuprig pnurig npurig rpnuig prnuig rnpuig nrpuig pnruig npruig urinpg ruinpg uirnpg iurnpg riunpg irunpg urnipg runipg unripg nuripg rnuipg nruipg uinrpg iunrpg unirpg nuirpg inurpg niurpg rinupg irnupg rniupg nriupg inrupg nirupg upinrg puinrg uipnrg iupnrg piunrg ipunrg upnirg punirg unpirg nupirg pnuirg npuirg uinprg iunprg uniprg nuiprg inuprg niuprg pinurg ipnurg pniurg npiurg inpurg nipurg rpinug prinug ripnug irpnug pirnug iprnug rpniug prniug rnpiug nrpiug pnriug npriug rinpug irnpug rnipug nripug inrpug nirpug pinrug ipnrug pnirug npirug inprug niprug urpign rupign uprign purign rpuign pruign uripgn ruipgn uirpgn iurpgn riupgn irupgn upirgn puirgn uiprgn iuprgn piurgn ipurgn rpiugn priugn ripugn irpugn pirugn iprugn urpgin rupgin uprgin purgin rpugin prugin urgpin rugpin ugrpin gurpin rgupin grupin upgrin pugrin ugprin guprin pgurin gpurin rpguin prguin rgpuin grpuin pgruin gpruin urigpn ruigpn uirgpn iurgpn riugpn irugpn urgipn rugipn ugripn guripn rguipn gruipn uigrpn iugrpn ugirpn guirpn igurpn giurpn rigupn irgupn rgiupn griupn igrupn girupn upigrn puigrn uipgrn iupgrn piugrn ipugrn upgirn pugirn ugpirn gupirn pguirn gpuirn uigprn iugprn ugiprn guiprn iguprn giuprn pigurn ipgurn pgiurn gpiurn igpurn gipurn rpigun prigun ripgun irpgun pirgun iprgun rpgiun prgiun rgpiun grpiun pgriun gpriun rigpun irgpun rgipun gripun igrpun girpun pigrun ipgrun pgirun gpirun igprun giprun urpngi rupngi uprngi purngi rpungi prungi urnpgi runpgi unrpgi nurpgi rnupgi nrupgi upnrgi punrgi unprgi nuprgi pnurgi npurgi rpnugi prnugi rnpugi nrpugi pnrugi nprugi urpgni rupgni uprgni purgni rpugni prugni urgpni rugpni ugrpni gurpni rgupni grupni upgrni pugrni ugprni guprni pgurni gpurni rpguni prguni rgpuni grpuni pgruni gpruni urngpi rungpi unrgpi nurgpi rnugpi nrugpi urgnpi rugnpi ugrnpi gurnpi rgunpi grunpi ungrpi nugrpi ugnrpi gunrpi ngurpi gnurpi rngupi nrgupi rgnupi grnupi ngrupi gnrupi upngri pungri unpgri nupgri pnugri npugri upgnri pugnri ugpnri gupnri pgunri gpunri ungpri nugpri ugnpri gunpri ngupri gnupri pnguri npguri pgnuri gpnuri ngpuri gnpuri rpngui prngui rnpgui nrpgui pnrgui nprgui rpgnui prgnui rgpnui grpnui pgrnui gprnui rngpui nrgpui rgnpui grnpui ngrpui gnrpui pngrui npgrui pgnrui gpnrui ngprui gnprui uringp ruingp uirngp iurngp riungp irungp urnigp runigp unrigp nurigp rnuigp nruigp uinrgp iunrgp unirgp nuirgp inurgp niurgp rinugp irnugp rniugp nriugp inrugp nirugp urignp ruignp uirgnp iurgnp riugnp irugnp urginp ruginp ugrinp gurinp rguinp gruinp uigrnp iugrnp ugirnp guirnp igurnp giurnp rigunp irgunp rgiunp griunp igrunp girunp urngip rungip unrgip nurgip rnugip nrugip urgnip rugnip ugrnip gurnip rgunip grunip ungrip nugrip ugnrip gunrip ngurip gnurip rnguip nrguip rgnuip grnuip ngruip gnruip uingrp iungrp unigrp nuigrp inugrp niugrp uignrp iugnrp uginrp guinrp igunrp giunrp ungirp nugirp ugnirp gunirp nguirp gnuirp ingurp nigurp ignurp ginurp ngiurp gniurp ringup irngup rnigup nrigup inrgup nirgup rignup irgnup rginup grinup igrnup girnup rngiup nrgiup rgniup grniup ngriup gnriup ingrup nigrup ignrup ginrup ngirup gnirup upingr puingr uipngr iupngr piungr ipungr upnigr punigr unpigr nupigr pnuigr npuigr uinpgr iunpgr unipgr nuipgr inupgr niupgr pinugr ipnugr pniugr npiugr inpugr nipugr upignr puignr uipgnr iupgnr piugnr ipugnr upginr puginr ugpinr gupinr pguinr gpuinr uigpnr iugpnr ugipnr guipnr igupnr giupnr pigunr ipgunr pgiunr gpiunr igpunr gipunr upngir pungir unpgir nupgir pnugir npugir upgnir pugnir ugpnir gupnir pgunir gpunir ungpir nugpir ugnpir gunpir ngupir gnupir pnguir npguir pgnuir gpnuir ngpuir gnpuir uingpr iungpr unigpr nuigpr inugpr niugpr uignpr iugnpr uginpr guinpr igunpr giunpr ungipr nugipr ugnipr gunipr nguipr gnuipr ingupr nigupr ignupr ginupr ngiupr gniupr pingur ipngur pnigur npigur inpgur nipgur pignur ipgnur pginur gpinur igpnur gipnur pngiur npgiur pgniur gpniur ngpiur gnpiur ingpur nigpur ignpur ginpur ngipur gnipur rpingu pringu ripngu irpngu pirngu iprngu rpnigu prnigu rnpigu nrpigu pnrigu nprigu rinpgu irnpgu rnipgu nripgu inrpgu nirpgu pinrgu ipnrgu pnirgu npirgu inprgu niprgu rpignu prignu ripgnu irpgnu pirgnu iprgnu rpginu prginu rgpinu grpinu pgrinu gprinu rigpnu irgpnu rgipnu gripnu igrpnu girpnu pigrnu ipgrnu pgirnu gpirnu igprnu giprnu rpngiu prngiu rnpgiu nrpgiu pnrgiu nprgiu rpgniu prgniu rgpniu grpniu pgrniu gprniu rngpiu nrgpiu rgnpiu grnpiu ngrpiu gnrpiu pngriu npgriu pgnriu gpnriu ngpriu gnpriu ringpu irngpu rnigpu nrigpu inrgpu nirgpu rignpu irgnpu rginpu grinpu igrnpu girnpu rngipu nrgipu rgnipu grnipu ngripu gnripu ingrpu nigrpu ignrpu ginrpu ngirpu gnirpu pingru ipngru pnigru npigru inpgru nipgru pignru ipgnru pginru gpinru igpnru gipnru pngiru npgiru pgniru gpniru ngpiru gnpiru ingpru nigpru ignpru ginpru ngipru gnipru
Note: these 'words' (valid or invalid) are all the permutations of the word urping. These words are obtained by scrambling the letters in urping.