pugils upgils pguils gpuils ugpils gupils puigls upigls piugls ipugls uipgls iupgls pgiuls gpiuls piguls ipguls gipuls igpuls ugipls guipls uigpls iugpls giupls igupls puglis upglis pgulis gpulis ugplis guplis pulgis uplgis plugis lpugis ulpgis lupgis pgluis gpluis plguis lpguis glpuis lgpuis uglpis gulpis ulgpis lugpis glupis lgupis puilgs upilgs piulgs ipulgs uiplgs iuplgs puligs upligs pluigs lpuigs ulpigs lupigs pilugs iplugs pliugs lpiugs ilpugs lipugs uilpgs iulpgs ulipgs luipgs ilupgs liupgs pgilus gpilus piglus ipglus giplus igplus pglius gplius plgius lpgius glpius lgpius pilgus iplgus pligus lpigus ilpgus lipgus gilpus iglpus glipus lgipus ilgpus ligpus ugilps guilps uiglps iuglps giulps igulps uglips gulips ulgips lugips gluips lguips uilgps iulgps uligps luigps ilugps liugps gilups iglups gliups lgiups ilgups ligups pugisl upgisl pguisl gpuisl ugpisl gupisl puigsl upigsl piugsl ipugsl uipgsl iupgsl pgiusl gpiusl pigusl ipgusl gipusl igpusl ugipsl guipsl uigpsl iugpsl giupsl igupsl pugsil upgsil pgusil gpusil ugpsil gupsil pusgil upsgil psugil spugil uspgil supgil pgsuil gpsuil psguil spguil gspuil sgpuil ugspil guspil usgpil sugpil gsupil sgupil puisgl upisgl piusgl ipusgl uipsgl iupsgl pusigl upsigl psuigl spuigl uspigl supigl pisugl ipsugl psiugl spiugl ispugl sipugl uispgl iuspgl usipgl suipgl isupgl siupgl pgisul gpisul pigsul ipgsul gipsul igpsul pgsiul gpsiul psgiul spgiul gspiul sgpiul pisgul ipsgul psigul spigul ispgul sipgul gispul igspul gsipul sgipul isgpul sigpul ugispl guispl uigspl iugspl giuspl iguspl ugsipl gusipl usgipl sugipl gsuipl sguipl uisgpl iusgpl usigpl suigpl isugpl siugpl gisupl igsupl gsiupl sgiupl isgupl sigupl puglsi upglsi pgulsi gpulsi ugplsi guplsi pulgsi uplgsi plugsi lpugsi ulpgsi lupgsi pglusi gplusi plgusi lpgusi glpusi lgpusi uglpsi gulpsi ulgpsi lugpsi glupsi lgupsi pugsli upgsli pgusli gpusli ugpsli gupsli pusgli upsgli psugli spugli uspgli supgli pgsuli gpsuli psguli spguli gspuli sgpuli ugspli guspli usgpli sugpli gsupli sgupli pulsgi uplsgi plusgi lpusgi ulpsgi lupsgi puslgi upslgi psulgi spulgi usplgi suplgi plsugi lpsugi pslugi splugi lspugi slpugi ulspgi luspgi uslpgi sulpgi lsupgi slupgi pglsui gplsui plgsui lpgsui glpsui lgpsui pgslui gpslui psglui spglui gsplui sgplui plsgui lpsgui pslgui splgui lspgui slpgui glspui lgspui gslpui sglpui lsgpui slgpui uglspi gulspi ulgspi lugspi gluspi lguspi ugslpi guslpi usglpi suglpi gsulpi sgulpi ulsgpi lusgpi uslgpi sulgpi lsugpi slugpi glsupi lgsupi gslupi sglupi lsgupi slgupi puilsg upilsg piulsg ipulsg uiplsg iuplsg pulisg uplisg pluisg lpuisg ulpisg lupisg pilusg iplusg pliusg lpiusg ilpusg lipusg uilpsg iulpsg ulipsg luipsg ilupsg liupsg puislg upislg piuslg ipuslg uipslg iupslg pusilg upsilg psuilg spuilg uspilg supilg pisulg ipsulg psiulg spiulg ispulg sipulg uisplg iusplg usiplg suiplg isuplg siuplg pulsig uplsig plusig lpusig ulpsig lupsig puslig upslig psulig spulig usplig suplig plsuig lpsuig psluig spluig lspuig slpuig ulspig luspig uslpig sulpig lsupig slupig pilsug iplsug plisug lpisug ilpsug lipsug pislug ipslug psilug spilug isplug siplug plsiug lpsiug psliug spliug lspiug slpiug ilspug lispug islpug silpug lsipug slipug uilspg iulspg ulispg luispg iluspg liuspg uislpg iuslpg usilpg suilpg isulpg siulpg ulsipg lusipg uslipg sulipg lsuipg sluipg ilsupg lisupg islupg silupg lsiupg sliupg pgilsu gpilsu piglsu ipglsu giplsu igplsu pglisu gplisu plgisu lpgisu glpisu lgpisu pilgsu iplgsu pligsu lpigsu ilpgsu lipgsu gilpsu iglpsu glipsu lgipsu ilgpsu ligpsu pgislu gpislu pigslu ipgslu gipslu igpslu pgsilu gpsilu psgilu spgilu gspilu sgpilu pisglu ipsglu psiglu spiglu ispglu sipglu gisplu igsplu gsiplu sgiplu isgplu sigplu pglsiu gplsiu plgsiu lpgsiu glpsiu lgpsiu pgsliu gpsliu psgliu spgliu gspliu sgpliu plsgiu lpsgiu pslgiu splgiu lspgiu slpgiu glspiu lgspiu gslpiu sglpiu lsgpiu slgpiu pilsgu iplsgu plisgu lpisgu ilpsgu lipsgu pislgu ipslgu psilgu spilgu isplgu siplgu plsigu lpsigu psligu spligu lspigu slpigu ilspgu lispgu islpgu silpgu lsipgu slipgu gilspu iglspu glispu lgispu ilgspu ligspu gislpu igslpu gsilpu sgilpu isglpu siglpu glsipu lgsipu gslipu sglipu lsgipu slgipu ilsgpu lisgpu islgpu silgpu lsigpu sligpu ugilsp guilsp uiglsp iuglsp giulsp igulsp uglisp gulisp ulgisp lugisp gluisp lguisp uilgsp iulgsp uligsp luigsp ilugsp liugsp gilusp iglusp gliusp lgiusp ilgusp ligusp ugislp guislp uigslp iugslp giuslp iguslp ugsilp gusilp usgilp sugilp gsuilp sguilp uisglp iusglp usiglp suiglp isuglp siuglp gisulp igsulp gsiulp sgiulp isgulp sigulp uglsip gulsip ulgsip lugsip glusip lgusip ugslip guslip usglip suglip gsulip sgulip ulsgip lusgip uslgip sulgip lsugip slugip glsuip lgsuip gsluip sgluip lsguip slguip uilsgp iulsgp ulisgp luisgp ilusgp liusgp uislgp iuslgp usilgp suilgp isulgp siulgp ulsigp lusigp usligp suligp lsuigp sluigp ilsugp lisugp islugp silugp lsiugp sliugp gilsup iglsup glisup lgisup ilgsup ligsup gislup igslup gsilup sgilup isglup siglup glsiup lgsiup gsliup sgliup lsgiup slgiup ilsgup lisgup islgup silgup lsigup sligup
Note: these 'words' (valid or invalid) are all the permutations of the word pugils. These words are obtained by scrambling the letters in pugils.