plingu lpingu pilngu iplngu lipngu ilpngu plnigu lpnigu pnligu npligu lnpigu nlpigu pinlgu ipnlgu pnilgu npilgu inplgu niplgu linpgu ilnpgu lnipgu nlipgu inlpgu nilpgu plignu lpignu pilgnu iplgnu lipgnu ilpgnu plginu lpginu pglinu gplinu lgpinu glpinu piglnu ipglnu pgilnu gpilnu igplnu giplnu ligpnu ilgpnu lgipnu glipnu iglpnu gilpnu plngiu lpngiu pnlgiu nplgiu lnpgiu nlpgiu plgniu lpgniu pglniu gplniu lgpniu glpniu pngliu npgliu pgnliu gpnliu ngpliu gnpliu lngpiu nlgpiu lgnpiu glnpiu nglpiu gnlpiu pinglu ipnglu pniglu npiglu inpglu nipglu pignlu ipgnlu pginlu gpinlu igpnlu gipnlu pngilu npgilu pgnilu gpnilu ngpilu gnpilu ingplu nigplu ignplu ginplu ngiplu gniplu lingpu ilngpu lnigpu nligpu inlgpu nilgpu lignpu ilgnpu lginpu glinpu iglnpu gilnpu lngipu nlgipu lgnipu glnipu nglipu gnlipu inglpu niglpu ignlpu ginlpu ngilpu gnilpu plinug lpinug pilnug iplnug lipnug ilpnug plniug lpniug pnliug npliug lnpiug nlpiug pinlug ipnlug pnilug npilug inplug niplug linpug ilnpug lnipug nlipug inlpug nilpug pliung lpiung pilung iplung lipung ilpung pluing lpuing puling upling luping ulping piulng ipulng puilng upilng iuplng uiplng liupng ilupng luipng ulipng iulpng uilpng plnuig lpnuig pnluig npluig lnpuig nlpuig plunig lpunig pulnig uplnig lupnig ulpnig pnulig npulig punlig upnlig nuplig unplig lnupig nlupig lunpig ulnpig nulpig unlpig pinulg ipnulg pniulg npiulg inpulg nipulg piunlg ipunlg puinlg upinlg iupnlg uipnlg pnuilg npuilg punilg upnilg nupilg unpilg inuplg niuplg iunplg uinplg nuiplg uniplg linupg ilnupg lniupg nliupg inlupg nilupg liunpg ilunpg luinpg ulinpg iulnpg uilnpg lnuipg nluipg lunipg ulnipg nulipg unlipg inulpg niulpg iunlpg uinlpg nuilpg unilpg pligun lpigun pilgun iplgun lipgun ilpgun plgiun lpgiun pgliun gpliun lgpiun glpiun piglun ipglun pgilun gpilun igplun giplun ligpun ilgpun lgipun glipun iglpun gilpun pliugn lpiugn pilugn iplugn lipugn ilpugn pluign lpuign pulign uplign lupign ulpign piulgn ipulgn puilgn upilgn iuplgn uiplgn liupgn ilupgn luipgn ulipgn iulpgn uilpgn plguin lpguin pgluin gpluin lgpuin glpuin plugin lpugin pulgin uplgin lupgin ulpgin pgulin gpulin puglin upglin guplin ugplin lgupin glupin lugpin ulgpin gulpin uglpin piguln ipguln pgiuln gpiuln igpuln gipuln piugln ipugln puigln upigln iupgln uipgln pguiln gpuiln pugiln upgiln gupiln ugpiln igupln giupln iugpln uigpln guipln ugipln ligupn ilgupn lgiupn gliupn iglupn gilupn liugpn ilugpn luigpn uligpn iulgpn uilgpn lguipn gluipn lugipn ulgipn gulipn uglipn igulpn giulpn iuglpn uiglpn guilpn ugilpn plngui lpngui pnlgui nplgui lnpgui nlpgui plgnui lpgnui pglnui gplnui lgpnui glpnui pnglui npglui pgnlui gpnlui ngplui gnplui lngpui nlgpui lgnpui glnpui nglpui gnlpui plnugi lpnugi pnlugi nplugi lnpugi nlpugi plungi lpungi pulngi uplngi lupngi ulpngi pnulgi npulgi punlgi upnlgi nuplgi unplgi lnupgi nlupgi lunpgi ulnpgi nulpgi unlpgi plguni lpguni pgluni gpluni lgpuni glpuni plugni lpugni pulgni uplgni lupgni ulpgni pgulni gpulni puglni upglni guplni ugplni lgupni glupni lugpni ulgpni gulpni uglpni pnguli npguli pgnuli gpnuli ngpuli gnpuli pnugli npugli pungli upngli nupgli unpgli pgunli gpunli pugnli upgnli gupnli ugpnli ngupli gnupli nugpli ungpli gunpli ugnpli lngupi nlgupi lgnupi glnupi nglupi gnlupi lnugpi nlugpi lungpi ulngpi nulgpi unlgpi lgunpi glunpi lugnpi ulgnpi gulnpi uglnpi ngulpi gnulpi nuglpi unglpi gunlpi ugnlpi pingul ipngul pnigul npigul inpgul nipgul pignul ipgnul pginul gpinul igpnul gipnul pngiul npgiul pgniul gpniul ngpiul gnpiul ingpul nigpul ignpul ginpul ngipul gnipul pinugl ipnugl pniugl npiugl inpugl nipugl piungl ipungl puingl upingl iupngl uipngl pnuigl npuigl punigl upnigl nupigl unpigl inupgl niupgl iunpgl uinpgl nuipgl unipgl pigunl ipgunl pgiunl gpiunl igpunl gipunl piugnl ipugnl puignl upignl iupgnl uipgnl pguinl gpuinl puginl upginl gupinl ugpinl igupnl giupnl iugpnl uigpnl guipnl ugipnl pnguil npguil pgnuil gpnuil ngpuil gnpuil pnugil npugil pungil upngil nupgil unpgil pgunil gpunil pugnil upgnil gupnil ugpnil ngupil gnupil nugpil ungpil gunpil ugnpil ingupl nigupl ignupl ginupl ngiupl gniupl inugpl niugpl iungpl uingpl nuigpl unigpl igunpl giunpl iugnpl uignpl guinpl uginpl nguipl gnuipl nugipl ungipl gunipl ugnipl lingup ilngup lnigup nligup inlgup nilgup lignup ilgnup lginup glinup iglnup gilnup lngiup nlgiup lgniup glniup ngliup gnliup inglup niglup ignlup ginlup ngilup gnilup linugp ilnugp lniugp nliugp inlugp nilugp liungp ilungp luingp ulingp iulngp uilngp lnuigp nluigp lunigp ulnigp nuligp unligp inulgp niulgp iunlgp uinlgp nuilgp unilgp ligunp ilgunp lgiunp gliunp iglunp gilunp liugnp ilugnp luignp ulignp iulgnp uilgnp lguinp gluinp luginp ulginp gulinp uglinp igulnp giulnp iuglnp uiglnp guilnp ugilnp lnguip nlguip lgnuip glnuip ngluip gnluip lnugip nlugip lungip ulngip nulgip unlgip lgunip glunip lugnip ulgnip gulnip uglnip ngulip gnulip nuglip unglip gunlip ugnlip ingulp nigulp ignulp ginulp ngiulp gniulp inuglp niuglp iunglp uinglp nuiglp uniglp igunlp giunlp iugnlp uignlp guinlp uginlp nguilp gnuilp nugilp ungilp gunilp ugnilp
Note: these 'words' (valid or invalid) are all the permutations of the word plingu. These words are obtained by scrambling the letters in plingu.