pignus ipgnus pginus gpinus igpnus gipnus pingus ipngus pnigus npigus inpgus nipgus pgnius gpnius pngius npgius gnpius ngpius ignpus ginpus ingpus nigpus gnipus ngipus piguns ipguns pgiuns gpiuns igpuns gipuns piugns ipugns puigns upigns iupgns uipgns pguins gpuins pugins upgins gupins ugpins igupns giupns iugpns uigpns guipns ugipns pinugs ipnugs pniugs npiugs inpugs nipugs piungs ipungs puings upings iupngs uipngs pnuigs npuigs punigs upnigs nupigs unpigs inupgs niupgs iunpgs uinpgs nuipgs unipgs pgnuis gpnuis pnguis npguis gnpuis ngpuis pgunis gpunis pugnis upgnis gupnis ugpnis pnugis npugis pungis upngis nupgis unpgis gnupis ngupis gunpis ugnpis nugpis ungpis ignups ginups ingups nigups gniups ngiups igunps giunps iugnps uignps guinps uginps inugps niugps iungps uingps nuigps unigps gnuips nguips gunips ugnips nugips ungips pignsu ipgnsu pginsu gpinsu igpnsu gipnsu pingsu ipngsu pnigsu npigsu inpgsu nipgsu pgnisu gpnisu pngisu npgisu gnpisu ngpisu ignpsu ginpsu ingpsu nigpsu gnipsu ngipsu pigsnu ipgsnu pgisnu gpisnu igpsnu gipsnu pisgnu ipsgnu psignu spignu ispgnu sipgnu pgsinu gpsinu psginu spginu gspinu sgpinu igspnu gispnu isgpnu sigpnu gsipnu sgipnu pinsgu ipnsgu pnisgu npisgu inpsgu nipsgu pisngu ipsngu psingu spingu ispngu sipngu pnsigu npsigu psnigu spnigu nspigu snpigu inspgu nispgu isnpgu sinpgu nsipgu snipgu pgnsiu gpnsiu pngsiu npgsiu gnpsiu ngpsiu pgsniu gpsniu psgniu spgniu gspniu sgpniu pnsgiu npsgiu psngiu spngiu nspgiu snpgiu gnspiu ngspiu gsnpiu sgnpiu nsgpiu sngpiu ignspu ginspu ingspu nigspu gnispu ngispu igsnpu gisnpu isgnpu signpu gsinpu sginpu insgpu nisgpu isngpu singpu nsigpu snigpu gnsipu ngsipu gsnipu sgnipu nsgipu sngipu pigusn ipgusn pgiusn gpiusn igpusn gipusn piugsn ipugsn puigsn upigsn iupgsn uipgsn pguisn gpuisn pugisn upgisn gupisn ugpisn igupsn giupsn iugpsn uigpsn guipsn ugipsn pigsun ipgsun pgisun gpisun igpsun gipsun pisgun ipsgun psigun spigun ispgun sipgun pgsiun gpsiun psgiun spgiun gspiun sgpiun igspun gispun isgpun sigpun gsipun sgipun piusgn ipusgn puisgn upisgn iupsgn uipsgn pisugn ipsugn psiugn spiugn ispugn sipugn pusign upsign psuign spuign uspign supign iuspgn uispgn isupgn siupgn usipgn suipgn pgusin gpusin pugsin upgsin gupsin ugpsin pgsuin gpsuin psguin spguin gspuin sgpuin pusgin upsgin psugin spugin uspgin supgin guspin ugspin gsupin sgupin usgpin sugpin iguspn giuspn iugspn uigspn guispn ugispn igsupn gisupn isgupn sigupn gsiupn sgiupn iusgpn uisgpn isugpn siugpn usigpn suigpn gusipn ugsipn gsuipn sguipn usgipn sugipn pinusg ipnusg pniusg npiusg inpusg nipusg piunsg ipunsg puinsg upinsg iupnsg uipnsg pnuisg npuisg punisg upnisg nupisg unpisg inupsg niupsg iunpsg uinpsg nuipsg unipsg pinsug ipnsug pnisug npisug inpsug nipsug pisnug ipsnug psinug spinug ispnug sipnug pnsiug npsiug psniug spniug nspiug snpiug inspug nispug isnpug sinpug nsipug snipug piusng ipusng puisng upisng iupsng uipsng pisung ipsung psiung spiung ispung sipung pusing upsing psuing spuing usping suping iuspng uispng isupng siupng usipng suipng pnusig npusig punsig upnsig nupsig unpsig pnsuig npsuig psnuig spnuig nspuig snpuig pusnig upsnig psunig spunig uspnig supnig nuspig unspig nsupig snupig usnpig sunpig inuspg niuspg iunspg uinspg nuispg unispg insupg nisupg isnupg sinupg nsiupg sniupg iusnpg uisnpg isunpg siunpg usinpg suinpg nusipg unsipg nsuipg snuipg usnipg sunipg pgnusi gpnusi pngusi npgusi gnpusi ngpusi pgunsi gpunsi pugnsi upgnsi gupnsi ugpnsi pnugsi npugsi pungsi upngsi nupgsi unpgsi gnupsi ngupsi gunpsi ugnpsi nugpsi ungpsi pgnsui gpnsui pngsui npgsui gnpsui ngpsui pgsnui gpsnui psgnui spgnui gspnui sgpnui pnsgui npsgui psngui spngui nspgui snpgui gnspui ngspui gsnpui sgnpui nsgpui sngpui pgusni gpusni pugsni upgsni gupsni ugpsni pgsuni gpsuni psguni spguni gspuni sgpuni pusgni upsgni psugni spugni uspgni supgni guspni ugspni gsupni sgupni usgpni sugpni pnusgi npusgi punsgi upnsgi nupsgi unpsgi pnsugi npsugi psnugi spnugi nspugi snpugi pusngi upsngi psungi spungi uspngi supngi nuspgi unspgi nsupgi snupgi usnpgi sunpgi gnuspi nguspi gunspi ugnspi nugspi ungspi gnsupi ngsupi gsnupi sgnupi nsgupi sngupi gusnpi ugsnpi gsunpi sgunpi usgnpi sugnpi nusgpi unsgpi nsugpi snugpi usngpi sungpi ignusp ginusp ingusp nigusp gniusp ngiusp igunsp giunsp iugnsp uignsp guinsp uginsp inugsp niugsp iungsp uingsp nuigsp unigsp gnuisp nguisp gunisp ugnisp nugisp ungisp ignsup ginsup ingsup nigsup gnisup ngisup igsnup gisnup isgnup signup gsinup sginup insgup nisgup isngup singup nsigup snigup gnsiup ngsiup gsniup sgniup nsgiup sngiup igusnp giusnp iugsnp uigsnp guisnp ugisnp igsunp gisunp isgunp sigunp gsiunp sgiunp iusgnp uisgnp isugnp siugnp usignp suignp gusinp ugsinp gsuinp sguinp usginp suginp inusgp niusgp iunsgp uinsgp nuisgp unisgp insugp nisugp isnugp sinugp nsiugp sniugp iusngp uisngp isungp siungp usingp suingp nusigp unsigp nsuigp snuigp usnigp sunigp gnusip ngusip gunsip ugnsip nugsip ungsip gnsuip ngsuip gsnuip sgnuip nsguip snguip gusnip ugsnip gsunip sgunip usgnip sugnip nusgip unsgip nsugip snugip usngip sungip
Note: these 'words' (valid or invalid) are all the permutations of the word pignus. These words are obtained by scrambling the letters in pignus.