incogs nicogs icnogs cinogs nciogs cniogs inocgs niocgs ioncgs oincgs noicgs onicgs icongs ciongs iocngs oicngs coings ocings ncoigs cnoigs nocigs oncigs conigs ocnigs incgos nicgos icngos cingos ncigos cnigos ingcos nigcos igncos gincos ngicos gnicos icgnos cignos igcnos gicnos cginos gcinos ncgios cngios ngcios gncios cgnios gcnios inogcs niogcs iongcs oingcs noigcs onigcs ingocs nigocs ignocs ginocs ngiocs gniocs iogncs oigncs igoncs gioncs ogincs goincs nogics ongics ngoics gnoics ognics gonics icogns ciogns iocgns oicgns coigns ocigns icgons cigons igcons gicons cgions gcions iogcns oigcns igocns giocns ogicns goicns cogins ocgins cgoins gcoins ogcins gocins ncogis cnogis nocgis oncgis congis ocngis ncgois cngois ngcois gncois cgnois gcnois nogcis ongcis ngocis gnocis ogncis goncis cognis ocgnis cgonis gconis ogcnis gocnis incosg nicosg icnosg cinosg nciosg cniosg inocsg niocsg ioncsg oincsg noicsg onicsg iconsg cionsg iocnsg oicnsg coinsg ocinsg ncoisg cnoisg nocisg oncisg conisg ocnisg incsog nicsog icnsog cinsog ncisog cnisog inscog niscog isncog sincog nsicog snicog icsnog cisnog iscnog sicnog csinog scinog ncsiog cnsiog nsciog snciog csniog scniog inoscg nioscg ionscg oinscg noiscg oniscg insocg nisocg isnocg sinocg nsiocg sniocg iosncg oisncg isoncg sioncg osincg soincg nosicg onsicg nsoicg snoicg osnicg sonicg icosng ciosng iocsng oicsng coisng ocisng icsong cisong iscong sicong csiong sciong ioscng oiscng isocng siocng osicng soicng cosing ocsing csoing scoing oscing socing ncosig cnosig nocsig oncsig consig ocnsig ncsoig cnsoig nscoig sncoig csnoig scnoig noscig onscig nsocig snocig osncig soncig cosnig ocsnig csonig sconig oscnig socnig incgso nicgso icngso cingso ncigso cnigso ingcso nigcso igncso gincso ngicso gnicso icgnso cignso igcnso gicnso cginso gcinso ncgiso cngiso ngciso gnciso cgniso gcniso incsgo nicsgo icnsgo cinsgo ncisgo cnisgo inscgo niscgo isncgo sincgo nsicgo snicgo icsngo cisngo iscngo sicngo csingo scingo ncsigo cnsigo nscigo sncigo csnigo scnigo ingsco nigsco ignsco ginsco ngisco gnisco insgco nisgco isngco singco nsigco snigco igsnco gisnco isgnco signco gsinco sginco ngsico gnsico nsgico sngico gsnico sgnico icgsno cigsno igcsno gicsno cgisno gcisno icsgno cisgno iscgno sicgno csigno scigno igscno giscno isgcno sigcno gsicno sgicno cgsino gcsino csgino scgino gscino sgcino ncgsio cngsio ngcsio gncsio cgnsio gcnsio ncsgio cnsgio nscgio sncgio csngio scngio ngscio gnscio nsgcio sngcio gsncio sgncio cgsnio gcsnio csgnio scgnio gscnio sgcnio inogsc niogsc iongsc oingsc noigsc onigsc ingosc nigosc ignosc ginosc ngiosc gniosc iognsc oignsc igonsc gionsc oginsc goinsc nogisc ongisc ngoisc gnoisc ognisc gonisc inosgc niosgc ionsgc oinsgc noisgc onisgc insogc nisogc isnogc sinogc nsiogc sniogc iosngc oisngc isongc siongc osingc soingc nosigc onsigc nsoigc snoigc osnigc sonigc ingsoc nigsoc ignsoc ginsoc ngisoc gnisoc insgoc nisgoc isngoc singoc nsigoc snigoc igsnoc gisnoc isgnoc signoc gsinoc sginoc ngsioc gnsioc nsgioc sngioc gsnioc sgnioc iogsnc oigsnc igosnc giosnc ogisnc goisnc iosgnc oisgnc isognc siognc osignc soignc igsonc gisonc isgonc sigonc gsionc sgionc ogsinc gosinc osginc soginc gsoinc sgoinc nogsic ongsic ngosic gnosic ognsic gonsic nosgic onsgic nsogic snogic osngic songic ngsoic gnsoic nsgoic sngoic gsnoic sgnoic ogsnic gosnic osgnic sognic gsonic sgonic icogsn ciogsn iocgsn oicgsn coigsn ocigsn icgosn cigosn igcosn gicosn cgiosn gciosn iogcsn oigcsn igocsn giocsn ogicsn goicsn cogisn ocgisn cgoisn gcoisn ogcisn gocisn icosgn ciosgn iocsgn oicsgn coisgn ocisgn icsogn cisogn iscogn sicogn csiogn sciogn ioscgn oiscgn isocgn siocgn osicgn soicgn cosign ocsign csoign scoign oscign socign icgson cigson igcson gicson cgison gcison icsgon cisgon iscgon sicgon csigon scigon igscon giscon isgcon sigcon gsicon sgicon cgsion gcsion csgion scgion gscion sgcion iogscn oigscn igoscn gioscn ogiscn goiscn iosgcn oisgcn isogcn siogcn osigcn soigcn igsocn gisocn isgocn sigocn gsiocn sgiocn ogsicn gosicn osgicn sogicn gsoicn sgoicn cogsin ocgsin cgosin gcosin ogcsin gocsin cosgin ocsgin csogin scogin oscgin socgin cgsoin gcsoin csgoin scgoin gscoin sgcoin ogscin goscin osgcin sogcin gsocin sgocin ncogsi cnogsi nocgsi oncgsi congsi ocngsi ncgosi cngosi ngcosi gncosi cgnosi gcnosi nogcsi ongcsi ngocsi gnocsi ogncsi goncsi cognsi ocgnsi cgonsi gconsi ogcnsi gocnsi ncosgi cnosgi nocsgi oncsgi consgi ocnsgi ncsogi cnsogi nscogi sncogi csnogi scnogi noscgi onscgi nsocgi snocgi osncgi soncgi cosngi ocsngi csongi scongi oscngi socngi ncgsoi cngsoi ngcsoi gncsoi cgnsoi gcnsoi ncsgoi cnsgoi nscgoi sncgoi csngoi scngoi ngscoi gnscoi nsgcoi sngcoi gsncoi sgncoi cgsnoi gcsnoi csgnoi scgnoi gscnoi sgcnoi nogsci ongsci ngosci gnosci ognsci gonsci nosgci onsgci nsogci snogci osngci songci ngsoci gnsoci nsgoci sngoci gsnoci sgnoci ogsnci gosnci osgnci sognci gsonci sgonci cogsni ocgsni cgosni gcosni ogcsni gocsni cosgni ocsgni csogni scogni oscgni socgni cgsoni gcsoni csgoni scgoni gsconi sgconi ogscni goscni osgcni sogcni gsocni sgocni
Note: these 'words' (valid or invalid) are all the permutations of the word incogs. These words are obtained by scrambling the letters in incogs.