ruling urling rluing lruing ulring luring ruilng urilng riulng irulng uirlng iurlng rliung lriung rilung irlung lirung ilrung ulirng luirng uilrng iulrng liurng ilurng rulnig urlnig rlunig lrunig ulrnig lurnig runlig urnlig rnulig nrulig unrlig nurlig rlnuig lrnuig rnluig nrluig lnruig nlruig ulnrig lunrig unlrig nulrig lnurig nlurig ruinlg urinlg riunlg irunlg uirnlg iurnlg runilg urnilg rnuilg nruilg unrilg nurilg rinulg irnulg rniulg nriulg inrulg nirulg uinrlg iunrlg unirlg nuirlg inurlg niurlg rlinug lrinug rilnug irlnug lirnug ilrnug rlniug lrniug rnliug nrliug lnriug nlriug rinlug irnlug rnilug nrilug inrlug nirlug linrug ilnrug lnirug nlirug inlrug nilrug ulinrg luinrg uilnrg iulnrg liunrg ilunrg ulnirg lunirg unlirg nulirg lnuirg nluirg uinlrg iunlrg unilrg nuilrg inulrg niulrg linurg ilnurg lniurg nliurg inlurg nilurg rulign urlign rluign lruign ulrign lurign ruilgn urilgn riulgn irulgn uirlgn iurlgn rliugn lriugn rilugn irlugn lirugn ilrugn ulirgn luirgn uilrgn iulrgn liurgn ilurgn rulgin urlgin rlugin lrugin ulrgin lurgin ruglin urglin rgulin grulin ugrlin gurlin rlguin lrguin rgluin grluin lgruin glruin ulgrin lugrin uglrin gulrin lgurin glurin ruigln urigln riugln irugln uirgln iurgln rugiln urgiln rguiln gruiln ugriln guriln riguln irguln rgiuln griuln igruln giruln uigrln iugrln ugirln guirln igurln giurln rligun lrigun rilgun irlgun lirgun ilrgun rlgiun lrgiun rgliun grliun lgriun glriun riglun irglun rgilun grilun igrlun girlun ligrun ilgrun lgirun glirun iglrun gilrun uligrn luigrn uilgrn iulgrn liugrn ilugrn ulgirn lugirn uglirn gulirn lguirn gluirn uiglrn iuglrn ugilrn guilrn igulrn giulrn ligurn ilgurn lgiurn gliurn iglurn gilurn rulngi urlngi rlungi lrungi ulrngi lurngi runlgi urnlgi rnulgi nrulgi unrlgi nurlgi rlnugi lrnugi rnlugi nrlugi lnrugi nlrugi ulnrgi lunrgi unlrgi nulrgi lnurgi nlurgi rulgni urlgni rlugni lrugni ulrgni lurgni ruglni urglni rgulni grulni ugrlni gurlni rlguni lrguni rgluni grluni lgruni glruni ulgrni lugrni uglrni gulrni lgurni glurni rungli urngli rnugli nrugli unrgli nurgli rugnli urgnli rgunli grunli ugrnli gurnli rnguli nrguli rgnuli grnuli ngruli gnruli ungrli nugrli ugnrli gunrli ngurli gnurli rlngui lrngui rnlgui nrlgui lnrgui nlrgui rlgnui lrgnui rglnui grlnui lgrnui glrnui rnglui nrglui rgnlui grnlui ngrlui gnrlui lngrui nlgrui lgnrui glnrui nglrui gnlrui ulngri lungri unlgri nulgri lnugri nlugri ulgnri lugnri uglnri gulnri lgunri glunri unglri nuglri ugnlri gunlri ngulri gnulri lnguri nlguri lgnuri glnuri ngluri gnluri ruingl uringl riungl irungl uirngl iurngl runigl urnigl rnuigl nruigl unrigl nurigl rinugl irnugl rniugl nriugl inrugl nirugl uinrgl iunrgl unirgl nuirgl inurgl niurgl ruignl urignl riugnl irugnl uirgnl iurgnl ruginl urginl rguinl gruinl ugrinl gurinl rigunl irgunl rgiunl griunl igrunl girunl uigrnl iugrnl ugirnl guirnl igurnl giurnl rungil urngil rnugil nrugil unrgil nurgil rugnil urgnil rgunil grunil ugrnil gurnil rnguil nrguil rgnuil grnuil ngruil gnruil ungril nugril ugnril gunril nguril gnuril ringul irngul rnigul nrigul inrgul nirgul rignul irgnul rginul grinul igrnul girnul rngiul nrgiul rgniul grniul ngriul gnriul ingrul nigrul ignrul ginrul ngirul gnirul uingrl iungrl unigrl nuigrl inugrl niugrl uignrl iugnrl uginrl guinrl igunrl giunrl ungirl nugirl ugnirl gunirl nguirl gnuirl ingurl nigurl ignurl ginurl ngiurl gniurl rlingu lringu rilngu irlngu lirngu ilrngu rlnigu lrnigu rnligu nrligu lnrigu nlrigu rinlgu irnlgu rnilgu nrilgu inrlgu nirlgu linrgu ilnrgu lnirgu nlirgu inlrgu nilrgu rlignu lrignu rilgnu irlgnu lirgnu ilrgnu rlginu lrginu rglinu grlinu lgrinu glrinu riglnu irglnu rgilnu grilnu igrlnu girlnu ligrnu ilgrnu lgirnu glirnu iglrnu gilrnu rlngiu lrngiu rnlgiu nrlgiu lnrgiu nlrgiu rlgniu lrgniu rglniu grlniu lgrniu glrniu rngliu nrgliu rgnliu grnliu ngrliu gnrliu lngriu nlgriu lgnriu glnriu nglriu gnlriu ringlu irnglu rniglu nriglu inrglu nirglu rignlu irgnlu rginlu grinlu igrnlu girnlu rngilu nrgilu rgnilu grnilu ngrilu gnrilu ingrlu nigrlu ignrlu ginrlu ngirlu gnirlu lingru ilngru lnigru nligru inlgru nilgru lignru ilgnru lginru glinru iglnru gilnru lngiru nlgiru lgniru glniru ngliru gnliru inglru niglru ignlru ginlru ngilru gnilru ulingr luingr uilngr iulngr liungr ilungr ulnigr lunigr unligr nuligr lnuigr nluigr uinlgr iunlgr unilgr nuilgr inulgr niulgr linugr ilnugr lniugr nliugr inlugr nilugr ulignr luignr uilgnr iulgnr liugnr ilugnr ulginr luginr uglinr gulinr lguinr gluinr uiglnr iuglnr ugilnr guilnr igulnr giulnr ligunr ilgunr lgiunr gliunr iglunr gilunr ulngir lungir unlgir nulgir lnugir nlugir ulgnir lugnir uglnir gulnir lgunir glunir unglir nuglir ugnlir gunlir ngulir gnulir lnguir nlguir lgnuir glnuir ngluir gnluir uinglr iunglr uniglr nuiglr inuglr niuglr uignlr iugnlr uginlr guinlr igunlr giunlr ungilr nugilr ugnilr gunilr nguilr gnuilr ingulr nigulr ignulr ginulr ngiulr gniulr lingur ilngur lnigur nligur inlgur nilgur lignur ilgnur lginur glinur iglnur gilnur lngiur nlgiur lgniur glniur ngliur gnliur inglur niglur ignlur ginlur ngilur gnilur
Note: these 'words' (valid or invalid) are all the permutations of the word ruling. These words are obtained by scrambling the letters in ruling.