casing acsing csaing scaing ascing sacing caisng acisng ciasng icasng aicsng iacsng csiang sciang cisang icsang sicang iscang asicng saicng aiscng iascng siacng isacng casnig acsnig csanig scanig ascnig sacnig cansig acnsig cnasig ncasig ancsig nacsig csnaig scnaig cnsaig ncsaig sncaig nscaig asncig sancig anscig nascig snacig nsacig cainsg acinsg ciansg icansg aicnsg iacnsg canisg acnisg cnaisg ncaisg ancisg nacisg cinasg icnasg cniasg nciasg incasg nicasg aincsg iancsg anicsg naicsg inacsg niacsg csinag scinag cisnag icsnag sicnag iscnag csniag scniag cnsiag ncsiag snciag nsciag cinsag icnsag cnisag ncisag incsag nicsag sincag isncag snicag nsicag inscag niscag asincg saincg aisncg iasncg siancg isancg asnicg sanicg ansicg nasicg snaicg nsaicg ainscg ianscg aniscg naiscg inascg niascg sinacg isnacg sniacg nsiacg insacg nisacg casign acsign csaign scaign ascign sacign caisgn acisgn ciasgn icasgn aicsgn iacsgn csiagn sciagn cisagn icsagn sicagn iscagn asicgn saicgn aiscgn iascgn siacgn isacgn casgin acsgin csagin scagin ascgin sacgin cagsin acgsin cgasin gcasin agcsin gacsin csgain scgain cgsain gcsain sgcain gscain asgcin sagcin agscin gascin sgacin gsacin caigsn acigsn ciagsn icagsn aicgsn iacgsn cagisn acgisn cgaisn gcaisn agcisn gacisn cigasn icgasn cgiasn gciasn igcasn gicasn aigcsn iagcsn agicsn gaicsn igacsn giacsn csigan scigan cisgan icsgan sicgan iscgan csgian scgian cgsian gcsian sgcian gscian cigsan icgsan cgisan gcisan igcsan gicsan sigcan isgcan sgican gsican igscan giscan asigcn saigcn aisgcn iasgcn siagcn isagcn asgicn sagicn agsicn gasicn sgaicn gsaicn aigscn iagscn agiscn gaiscn igascn giascn sigacn isgacn sgiacn gsiacn igsacn gisacn casngi acsngi csangi scangi ascngi sacngi cansgi acnsgi cnasgi ncasgi ancsgi nacsgi csnagi scnagi cnsagi ncsagi sncagi nscagi asncgi sancgi anscgi nascgi snacgi nsacgi casgni acsgni csagni scagni ascgni sacgni cagsni acgsni cgasni gcasni agcsni gacsni csgani scgani cgsani gcsani sgcani gscani asgcni sagcni agscni gascni sgacni gsacni cangsi acngsi cnagsi ncagsi ancgsi nacgsi cagnsi acgnsi cgansi gcansi agcnsi gacnsi cngasi ncgasi cgnasi gcnasi ngcasi gncasi angcsi nagcsi agncsi gancsi ngacsi gnacsi csngai scngai cnsgai ncsgai sncgai nscgai csgnai scgnai cgsnai gcsnai sgcnai gscnai cngsai ncgsai cgnsai gcnsai ngcsai gncsai sngcai nsgcai sgncai gsncai ngscai gnscai asngci sangci ansgci nasgci snagci nsagci asgnci sagnci agsnci gasnci sganci gsanci angsci nagsci agnsci gansci ngasci gnasci sngaci nsgaci sgnaci gsnaci ngsaci gnsaci caings acings ciangs icangs aicngs iacngs canigs acnigs cnaigs ncaigs ancigs nacigs cinags icnags cniags nciags incags nicags aincgs iancgs anicgs naicgs inacgs niacgs caigns acigns ciagns icagns aicgns iacgns cagins acgins cgains gcains agcins gacins cigans icgans cgians gcians igcans gicans aigcns iagcns agicns gaicns igacns giacns cangis acngis cnagis ncagis ancgis nacgis cagnis acgnis cganis gcanis agcnis gacnis cngais ncgais cgnais gcnais ngcais gncais angcis nagcis agncis gancis ngacis gnacis cingas icngas cnigas ncigas incgas nicgas cignas icgnas cginas gcinas igcnas gicnas cngias ncgias cgnias gcnias ngcias gncias ingcas nigcas igncas gincas ngicas gnicas aingcs iangcs anigcs naigcs inagcs niagcs aigncs iagncs agincs gaincs igancs giancs angics nagics agnics ganics ngaics gnaics ingacs nigacs ignacs ginacs ngiacs gniacs csinga scinga cisnga icsnga sicnga iscnga csniga scniga cnsiga ncsiga snciga nsciga cinsga icnsga cnisga ncisga incsga nicsga sincga isncga snicga nsicga inscga niscga csigna scigna cisgna icsgna sicgna iscgna csgina scgina cgsina gcsina sgcina gscina cigsna icgsna cgisna gcisna igcsna gicsna sigcna isgcna sgicna gsicna igscna giscna csngia scngia cnsgia ncsgia sncgia nscgia csgnia scgnia cgsnia gcsnia sgcnia gscnia cngsia ncgsia cgnsia gcnsia ngcsia gncsia sngcia nsgcia sgncia gsncia ngscia gnscia cingsa icngsa cnigsa ncigsa incgsa nicgsa cignsa icgnsa cginsa gcinsa igcnsa gicnsa cngisa ncgisa cgnisa gcnisa ngcisa gncisa ingcsa nigcsa igncsa gincsa ngicsa gnicsa singca isngca snigca nsigca insgca nisgca signca isgnca sginca gsinca igsnca gisnca sngica nsgica sgnica gsnica ngsica gnsica ingsca nigsca ignsca ginsca ngisca gnisca asingc saingc aisngc iasngc siangc isangc asnigc sanigc ansigc nasigc snaigc nsaigc ainsgc iansgc anisgc naisgc inasgc niasgc sinagc isnagc sniagc nsiagc insagc nisagc asignc saignc aisgnc iasgnc siagnc isagnc asginc saginc agsinc gasinc sgainc gsainc aigsnc iagsnc agisnc gaisnc igasnc giasnc siganc isganc sgianc gsianc igsanc gisanc asngic sangic ansgic nasgic snagic nsagic asgnic sagnic agsnic gasnic sganic gsanic angsic nagsic agnsic gansic ngasic gnasic sngaic nsgaic sgnaic gsnaic ngsaic gnsaic aingsc iangsc anigsc naigsc inagsc niagsc aignsc iagnsc aginsc gainsc igansc giansc angisc nagisc agnisc ganisc ngaisc gnaisc ingasc nigasc ignasc ginasc ngiasc gniasc singac isngac snigac nsigac insgac nisgac signac isgnac sginac gsinac igsnac gisnac sngiac nsgiac sgniac gsniac ngsiac gnsiac ingsac nigsac ignsac ginsac ngisac gnisac
Note: these 'words' (valid or invalid) are all the permutations of the word casing. These words are obtained by scrambling the letters in casing.