upping puping upping puping ppuing ppuing upipng puipng uippng iuppng piupng ipupng upipng puipng uippng iuppng piupng ipupng ppiung ppiung pipung ippung pipung ippung uppnig pupnig uppnig pupnig ppunig ppunig upnpig punpig unppig nuppig pnupig npupig upnpig punpig unppig nuppig pnupig npupig ppnuig ppnuig pnpuig nppuig pnpuig nppuig upinpg puinpg uipnpg iupnpg piunpg ipunpg upnipg punipg unpipg nupipg pnuipg npuipg uinppg iunppg unippg nuippg inuppg niuppg pinupg ipnupg pniupg npiupg inpupg nipupg upinpg puinpg uipnpg iupnpg piunpg ipunpg upnipg punipg unpipg nupipg pnuipg npuipg uinppg iunppg unippg nuippg inuppg niuppg pinupg ipnupg pniupg npiupg inpupg nipupg ppinug ppinug pipnug ippnug pipnug ippnug ppniug ppniug pnpiug nppiug pnpiug nppiug pinpug ipnpug pnipug npipug inppug nippug pinpug ipnpug pnipug npipug inppug nippug uppign pupign uppign pupign ppuign ppuign upipgn puipgn uippgn iuppgn piupgn ipupgn upipgn puipgn uippgn iuppgn piupgn ipupgn ppiugn ppiugn pipugn ippugn pipugn ippugn uppgin pupgin uppgin pupgin ppugin ppugin upgpin pugpin ugppin guppin pgupin gpupin upgpin pugpin ugppin guppin pgupin gpupin ppguin ppguin pgpuin gppuin pgpuin gppuin upigpn puigpn uipgpn iupgpn piugpn ipugpn upgipn pugipn ugpipn gupipn pguipn gpuipn uigppn iugppn ugippn guippn iguppn giuppn pigupn ipgupn pgiupn gpiupn igpupn gipupn upigpn puigpn uipgpn iupgpn piugpn ipugpn upgipn pugipn ugpipn gupipn pguipn gpuipn uigppn iugppn ugippn guippn iguppn giuppn pigupn ipgupn pgiupn gpiupn igpupn gipupn ppigun ppigun pipgun ippgun pipgun ippgun ppgiun ppgiun pgpiun gppiun pgpiun gppiun pigpun ipgpun pgipun gpipun igppun gippun pigpun ipgpun pgipun gpipun igppun gippun uppngi pupngi uppngi pupngi ppungi ppungi upnpgi punpgi unppgi nuppgi pnupgi npupgi upnpgi punpgi unppgi nuppgi pnupgi npupgi ppnugi ppnugi pnpugi nppugi pnpugi nppugi uppgni pupgni uppgni pupgni ppugni ppugni upgpni pugpni ugppni guppni pgupni gpupni upgpni pugpni ugppni guppni pgupni gpupni ppguni ppguni pgpuni gppuni pgpuni gppuni upngpi pungpi unpgpi nupgpi pnugpi npugpi upgnpi pugnpi ugpnpi gupnpi pgunpi gpunpi ungppi nugppi ugnppi gunppi nguppi gnuppi pngupi npgupi pgnupi gpnupi ngpupi gnpupi upngpi pungpi unpgpi nupgpi pnugpi npugpi upgnpi pugnpi ugpnpi gupnpi pgunpi gpunpi ungppi nugppi ugnppi gunppi nguppi gnuppi pngupi npgupi pgnupi gpnupi ngpupi gnpupi ppngui ppngui pnpgui nppgui pnpgui nppgui ppgnui ppgnui pgpnui gppnui pgpnui gppnui pngpui npgpui pgnpui gpnpui ngppui gnppui pngpui npgpui pgnpui gpnpui ngppui gnppui upingp puingp uipngp iupngp piungp ipungp upnigp punigp unpigp nupigp pnuigp npuigp uinpgp iunpgp unipgp nuipgp inupgp niupgp pinugp ipnugp pniugp npiugp inpugp nipugp upignp puignp uipgnp iupgnp piugnp ipugnp upginp puginp ugpinp gupinp pguinp gpuinp uigpnp iugpnp ugipnp guipnp igupnp giupnp pigunp ipgunp pgiunp gpiunp igpunp gipunp upngip pungip unpgip nupgip pnugip npugip upgnip pugnip ugpnip gupnip pgunip gpunip ungpip nugpip ugnpip gunpip ngupip gnupip pnguip npguip pgnuip gpnuip ngpuip gnpuip uingpp iungpp unigpp nuigpp inugpp niugpp uignpp iugnpp uginpp guinpp igunpp giunpp ungipp nugipp ugnipp gunipp nguipp gnuipp ingupp nigupp ignupp ginupp ngiupp gniupp pingup ipngup pnigup npigup inpgup nipgup pignup ipgnup pginup gpinup igpnup gipnup pngiup npgiup pgniup gpniup ngpiup gnpiup ingpup nigpup ignpup ginpup ngipup gnipup upingp puingp uipngp iupngp piungp ipungp upnigp punigp unpigp nupigp pnuigp npuigp uinpgp iunpgp unipgp nuipgp inupgp niupgp pinugp ipnugp pniugp npiugp inpugp nipugp upignp puignp uipgnp iupgnp piugnp ipugnp upginp puginp ugpinp gupinp pguinp gpuinp uigpnp iugpnp ugipnp guipnp igupnp giupnp pigunp ipgunp pgiunp gpiunp igpunp gipunp upngip pungip unpgip nupgip pnugip npugip upgnip pugnip ugpnip gupnip pgunip gpunip ungpip nugpip ugnpip gunpip ngupip gnupip pnguip npguip pgnuip gpnuip ngpuip gnpuip uingpp iungpp unigpp nuigpp inugpp niugpp uignpp iugnpp uginpp guinpp igunpp giunpp ungipp nugipp ugnipp gunipp nguipp gnuipp ingupp nigupp ignupp ginupp ngiupp gniupp pingup ipngup pnigup npigup inpgup nipgup pignup ipgnup pginup gpinup igpnup gipnup pngiup npgiup pgniup gpniup ngpiup gnpiup ingpup nigpup ignpup ginpup ngipup gnipup ppingu ppingu pipngu ippngu pipngu ippngu ppnigu ppnigu pnpigu nppigu pnpigu nppigu pinpgu ipnpgu pnipgu npipgu inppgu nippgu pinpgu ipnpgu pnipgu npipgu inppgu nippgu ppignu ppignu pipgnu ippgnu pipgnu ippgnu ppginu ppginu pgpinu gppinu pgpinu gppinu pigpnu ipgpnu pgipnu gpipnu igppnu gippnu pigpnu ipgpnu pgipnu gpipnu igppnu gippnu ppngiu ppngiu pnpgiu nppgiu pnpgiu nppgiu ppgniu ppgniu pgpniu gppniu pgpniu gppniu pngpiu npgpiu pgnpiu gpnpiu ngppiu gnppiu pngpiu npgpiu pgnpiu gpnpiu ngppiu gnppiu pingpu ipngpu pnigpu npigpu inpgpu nipgpu pignpu ipgnpu pginpu gpinpu igpnpu gipnpu pngipu npgipu pgnipu gpnipu ngpipu gnpipu ingppu nigppu ignppu ginppu ngippu gnippu pingpu ipngpu pnigpu npigpu inpgpu nipgpu pignpu ipgnpu pginpu gpinpu igpnpu gipnpu pngipu npgipu pgnipu gpnipu ngpipu gnpipu ingppu nigppu ignppu ginppu ngippu gnippu
Note: these 'words' (valid or invalid) are all the permutations of the word upping. These words are obtained by scrambling the letters in upping.