rigoll irgoll rgioll grioll igroll giroll riogll irogll roigll origll iorgll oirgll rgoill groill rogill orgill gorill ogrill igorll giorll iogrll oigrll goirll ogirll riglol irglol rgilol grilol igrlol girlol rilgol irlgol rligol lrigol ilrgol lirgol rgliol grliol rlgiol lrgiol glriol lgriol iglrol gilrol ilgrol ligrol glirol lgirol riolgl irolgl roilgl orilgl iorlgl oirlgl rilogl irlogl rliogl lriogl ilrogl lirogl roligl orligl rloigl lroigl olrigl lorigl iolrgl oilrgl ilorgl liorgl olirgl loirgl rgolil grolil roglil orglil gorlil ogrlil rgloil grloil rlgoil lrgoil glroil lgroil rolgil orlgil rlogil lrogil olrgil lorgil golril oglril gloril lgoril olgril logril igolrl giolrl ioglrl oiglrl goilrl ogilrl iglorl gilorl ilgorl ligorl gliorl lgiorl iolgrl oilgrl ilogrl liogrl oligrl loigrl golirl oglirl gloirl lgoirl olgirl logirl rigoll irgoll rgioll grioll igroll giroll riogll irogll roigll origll iorgll oirgll rgoill groill rogill orgill gorill ogrill igorll giorll iogrll oigrll goirll ogirll riglol irglol rgilol grilol igrlol girlol rilgol irlgol rligol lrigol ilrgol lirgol rgliol grliol rlgiol lrgiol glriol lgriol iglrol gilrol ilgrol ligrol glirol lgirol riolgl irolgl roilgl orilgl iorlgl oirlgl rilogl irlogl rliogl lriogl ilrogl lirogl roligl orligl rloigl lroigl olrigl lorigl iolrgl oilrgl ilorgl liorgl olirgl loirgl rgolil grolil roglil orglil gorlil ogrlil rgloil grloil rlgoil lrgoil glroil lgroil rolgil orlgil rlogil lrogil olrgil lorgil golril oglril gloril lgoril olgril logril igolrl giolrl ioglrl oiglrl goilrl ogilrl iglorl gilorl ilgorl ligorl gliorl lgiorl iolgrl oilgrl ilogrl liogrl oligrl loigrl golirl oglirl gloirl lgoirl olgirl logirl rigllo irgllo rgillo grillo igrllo girllo rilglo irlglo rliglo lriglo ilrglo lirglo rglilo grlilo rlgilo lrgilo glrilo lgrilo iglrlo gilrlo ilgrlo ligrlo glirlo lgirlo rigllo irgllo rgillo grillo igrllo girllo rilglo irlglo rliglo lriglo ilrglo lirglo rglilo grlilo rlgilo lrgilo glrilo lgrilo iglrlo gilrlo ilgrlo ligrlo glirlo lgirlo rillgo irllgo rlilgo lrilgo ilrlgo lirlgo rillgo irllgo rlilgo lrilgo ilrlgo lirlgo rlligo lrligo rlligo lrligo llrigo llrigo illrgo lilrgo illrgo lilrgo llirgo llirgo rgllio grllio rlglio lrglio glrlio lgrlio rgllio grllio rlglio lrglio glrlio lgrlio rllgio lrlgio rllgio lrlgio llrgio llrgio gllrio lglrio gllrio lglrio llgrio llgrio igllro gillro ilglro liglro glilro lgilro igllro gillro ilglro liglro glilro lgilro illgro lilgro illgro lilgro lligro lligro glliro lgliro glliro lgliro llgiro llgiro riollg irollg roillg orillg iorllg oirllg rilolg irlolg rliolg lriolg ilrolg lirolg rolilg orlilg rloilg lroilg olrilg lorilg iolrlg oilrlg ilorlg liorlg olirlg loirlg riollg irollg roillg orillg iorllg oirllg rilolg irlolg rliolg lriolg ilrolg lirolg rolilg orlilg rloilg lroilg olrilg lorilg iolrlg oilrlg ilorlg liorlg olirlg loirlg rillog irllog rlilog lrilog ilrlog lirlog rillog irllog rlilog lrilog ilrlog lirlog rlliog lrliog rlliog lrliog llriog llriog illrog lilrog illrog lilrog llirog llirog rollig orllig rlolig lrolig olrlig lorlig rollig orllig rlolig lrolig olrlig lorlig rlloig lrloig rlloig lrloig llroig llroig ollrig lolrig ollrig lolrig llorig llorig iollrg oillrg ilolrg liolrg olilrg loilrg iollrg oillrg ilolrg liolrg olilrg loilrg illorg lilorg illorg lilorg lliorg lliorg ollirg lolirg ollirg lolirg lloirg lloirg rgolli grolli roglli orglli gorlli ogrlli rgloli grloli rlgoli lrgoli glroli lgroli rolgli orlgli rlogli lrogli olrgli lorgli golrli oglrli glorli lgorli olgrli logrli rgolli grolli roglli orglli gorlli ogrlli rgloli grloli rlgoli lrgoli glroli lgroli rolgli orlgli rlogli lrogli olrgli lorgli golrli oglrli glorli lgorli olgrli logrli rglloi grlloi rlgloi lrgloi glrloi lgrloi rglloi grlloi rlgloi lrgloi glrloi lgrloi rllgoi lrlgoi rllgoi lrlgoi llrgoi llrgoi gllroi lglroi gllroi lglroi llgroi llgroi rollgi orllgi rlolgi lrolgi olrlgi lorlgi rollgi orllgi rlolgi lrolgi olrlgi lorlgi rllogi lrlogi rllogi lrlogi llrogi llrogi ollrgi lolrgi ollrgi lolrgi llorgi llorgi gollri ogllri glolri lgolri olglri loglri gollri ogllri glolri lgolri olglri loglri gllori lglori gllori lglori llgori llgori ollgri lolgri ollgri lolgri llogri llogri igollr giollr iogllr oigllr goillr ogillr iglolr gilolr ilgolr ligolr gliolr lgiolr iolglr oilglr iloglr lioglr oliglr loiglr golilr oglilr gloilr lgoilr olgilr logilr igollr giollr iogllr oigllr goillr ogillr iglolr gilolr ilgolr ligolr gliolr lgiolr iolglr oilglr iloglr lioglr oliglr loiglr golilr oglilr gloilr lgoilr olgilr logilr igllor gillor ilglor liglor glilor lgilor igllor gillor ilglor liglor glilor lgilor illgor lilgor illgor lilgor lligor lligor gllior lglior gllior lglior llgior llgior iollgr oillgr ilolgr liolgr olilgr loilgr iollgr oillgr ilolgr liolgr olilgr loilgr illogr lilogr illogr lilogr lliogr lliogr olligr loligr olligr loligr lloigr lloigr gollir ogllir glolir lgolir olglir loglir gollir ogllir glolir lgolir olglir loglir glloir lgloir glloir lgloir llgoir llgoir ollgir lolgir ollgir lolgir llogir llogir
Note: these 'words' (valid or invalid) are all the permutations of the word rigoll. These words are obtained by scrambling the letters in rigoll.