nilgau inlgau nligau lnigau ilngau lingau niglau inglau ngilau gnilau ignlau ginlau nlgiau lngiau ngliau gnliau lgniau glniau ilgnau lignau iglnau gilnau lginau glinau nilagu inlagu nliagu lniagu ilnagu linagu nialgu inalgu nailgu anilgu ianlgu ainlgu nlaigu lnaigu naligu anligu lanigu alnigu ilangu liangu ialngu ailngu laingu alingu nigalu ingalu ngialu gnialu ignalu ginalu niaglu inaglu naiglu aniglu ianglu ainglu ngailu gnailu nagilu angilu ganilu agnilu iganlu gianlu iagnlu aignlu gainlu aginlu nlgaiu lngaiu nglaiu gnlaiu lgnaiu glnaiu nlagiu lnagiu nalgiu anlgiu langiu alngiu ngaliu gnaliu nagliu angliu ganliu agnliu lganiu glaniu lagniu algniu galniu aglniu ilganu liganu iglanu gilanu lgianu glianu ilagnu liagnu ialgnu ailgnu laignu alignu igalnu gialnu iaglnu aiglnu gailnu agilnu lgainu glainu laginu alginu galinu aglinu nilgua inlgua nligua lnigua ilngua lingua niglua inglua ngilua gnilua ignlua ginlua nlgiua lngiua ngliua gnliua lgniua glniua ilgnua lignua iglnua gilnua lginua glinua niluga inluga nliuga lniuga ilnuga linuga niulga inulga nuilga unilga iunlga uinlga nluiga lnuiga nuliga unliga luniga ulniga ilunga liunga iulnga uilnga luinga ulinga nigula ingula ngiula gniula ignula ginula niugla inugla nuigla unigla iungla uingla nguila gnuila nugila ungila gunila ugnila igunla giunla iugnla uignla guinla uginla nlguia lnguia ngluia gnluia lgnuia glnuia nlugia lnugia nulgia unlgia lungia ulngia ngulia gnulia nuglia unglia gunlia ugnlia lgunia glunia lugnia ulgnia gulnia uglnia ilguna liguna igluna giluna lgiuna gliuna ilugna liugna iulgna uilgna luigna uligna igulna giulna iuglna uiglna guilna ugilna lguina gluina lugina ulgina gulina uglina nilaug inlaug nliaug lniaug ilnaug linaug nialug inalug nailug anilug ianlug ainlug nlaiug lnaiug naliug anliug laniug alniug ilanug lianug ialnug ailnug lainug alinug niluag inluag nliuag lniuag ilnuag linuag niulag inulag nuilag unilag iunlag uinlag nluiag lnuiag nuliag unliag luniag ulniag ilunag liunag iulnag uilnag luinag ulinag niaulg inaulg naiulg aniulg ianulg ainulg niualg inualg nuialg unialg iunalg uinalg nauilg anuilg nuailg unailg aunilg uanilg iaunlg aiunlg iuanlg uianlg auinlg uainlg nlauig lnauig naluig anluig lanuig alnuig nluaig lnuaig nulaig unlaig lunaig ulnaig naulig anulig nualig unalig aunlig uanlig launig alunig luanig ulanig aulnig ualnig ilaung liaung ialung ailung laiung aliung iluang liuang iulang uilang luiang uliang iaulng aiulng iualng uialng auilng uailng lauing aluing luaing ulaing auling ualing nigaul ingaul ngiaul gniaul ignaul ginaul niagul inagul naigul anigul iangul aingul ngaiul gnaiul nagiul angiul ganiul agniul iganul gianul iagnul aignul gainul aginul nigual ingual ngiual gniual ignual ginual niugal inugal nuigal unigal iungal uingal nguial gnuial nugial ungial gunial ugnial igunal giunal iugnal uignal guinal uginal niaugl inaugl naiugl aniugl ianugl ainugl niuagl inuagl nuiagl uniagl iunagl uinagl nauigl anuigl nuaigl unaigl aunigl uanigl iaungl aiungl iuangl uiangl auingl uaingl ngauil gnauil naguil anguil ganuil agnuil nguail gnuail nugail ungail gunail ugnail naugil anugil nuagil unagil aungil uangil gaunil agunil guanil uganil augnil uagnil igaunl giaunl iagunl aigunl gaiunl agiunl iguanl giuanl iuganl uiganl guianl ugianl iaugnl aiugnl iuagnl uiagnl auignl uaignl gauinl aguinl guainl ugainl auginl uaginl nlgaui lngaui nglaui gnlaui lgnaui glnaui nlagui lnagui nalgui anlgui langui alngui ngalui gnalui naglui anglui ganlui agnlui lganui glanui lagnui algnui galnui aglnui nlguai lnguai ngluai gnluai lgnuai glnuai nlugai lnugai nulgai unlgai lungai ulngai ngulai gnulai nuglai unglai gunlai ugnlai lgunai glunai lugnai ulgnai gulnai uglnai nlaugi lnaugi nalugi anlugi lanugi alnugi nluagi lnuagi nulagi unlagi lunagi ulnagi naulgi anulgi nualgi unalgi aunlgi uanlgi laungi alungi luangi ulangi aulngi ualngi ngauli gnauli naguli anguli ganuli agnuli nguali gnuali nugali ungali gunali ugnali naugli anugli nuagli unagli aungli uangli gaunli agunli guanli uganli augnli uagnli lgauni glauni laguni alguni galuni agluni lguani gluani lugani ulgani gulani uglani laugni alugni luagni ulagni aulgni ualgni gaulni agulni gualni ugalni auglni uaglni ilgaun ligaun iglaun gilaun lgiaun gliaun ilagun liagun ialgun ailgun laigun aligun igalun gialun iaglun aiglun gailun agilun lgaiun glaiun lagiun algiun galiun agliun ilguan liguan igluan giluan lgiuan gliuan ilugan liugan iulgan uilgan luigan uligan igulan giulan iuglan uiglan guilan ugilan lguian gluian lugian ulgian gulian uglian ilaugn liaugn ialugn ailugn laiugn aliugn iluagn liuagn iulagn uilagn luiagn uliagn iaulgn aiulgn iualgn uialgn auilgn uailgn lauign aluign luaign ulaign aulign ualign igauln giauln iaguln aiguln gaiuln agiuln igualn giualn iugaln uigaln guialn ugialn iaugln aiugln iuagln uiagln auigln uaigln gauiln aguiln guailn ugailn augiln uagiln lgauin glauin laguin alguin galuin agluin lguain gluain lugain ulgain gulain uglain laugin alugin luagin ulagin aulgin ualgin gaulin agulin gualin ugalin auglin uaglin
Note: these 'words' (valid or invalid) are all the permutations of the word nilgau. These words are obtained by scrambling the letters in nilgau.