casion acsion csaion scaion ascion sacion caison acison ciason icason aicson iacson csiaon sciaon cisaon icsaon sicaon iscaon asicon saicon aiscon iascon siacon isacon casoin acsoin csaoin scaoin ascoin sacoin caosin acosin coasin ocasin aocsin oacsin csoain scoain cosain ocsain socain oscain asocin saocin aoscin oascin soacin osacin caiosn aciosn ciaosn icaosn aicosn iacosn caoisn acoisn coaisn ocaisn aocisn oacisn cioasn icoasn coiasn ociasn iocasn oicasn aiocsn iaocsn aoicsn oaicsn ioacsn oiacsn csioan scioan cisoan icsoan sicoan iscoan csoian scoian cosian ocsian socian oscian ciosan icosan coisan ocisan iocsan oicsan siocan isocan soican osican ioscan oiscan asiocn saiocn aisocn iasocn siaocn isaocn asoicn saoicn aosicn oasicn soaicn osaicn aioscn iaoscn aoiscn oaiscn ioascn oiascn sioacn isoacn soiacn osiacn iosacn oisacn casino acsino csaino scaino ascino sacino caisno acisno ciasno icasno aicsno iacsno csiano sciano cisano icsano sicano iscano asicno saicno aiscno iascno siacno isacno casnio acsnio csanio scanio ascnio sacnio cansio acnsio cnasio ncasio ancsio nacsio csnaio scnaio cnsaio ncsaio sncaio nscaio asncio sancio anscio nascio snacio nsacio cainso acinso cianso icanso aicnso iacnso caniso acniso cnaiso ncaiso anciso naciso cinaso icnaso cniaso nciaso incaso nicaso aincso iancso anicso naicso inacso niacso csinao scinao cisnao icsnao sicnao iscnao csniao scniao cnsiao ncsiao snciao nsciao cinsao icnsao cnisao ncisao incsao nicsao sincao isncao snicao nsicao inscao niscao asinco sainco aisnco iasnco sianco isanco asnico sanico ansico nasico snaico nsaico ainsco iansco anisco naisco inasco niasco sinaco isnaco sniaco nsiaco insaco nisaco casoni acsoni csaoni scaoni asconi saconi caosni acosni coasni ocasni aocsni oacsni csoani scoani cosani ocsani socani oscani asocni saocni aoscni oascni soacni osacni casnoi acsnoi csanoi scanoi ascnoi sacnoi cansoi acnsoi cnasoi ncasoi ancsoi nacsoi csnaoi scnaoi cnsaoi ncsaoi sncaoi nscaoi asncoi sancoi anscoi nascoi snacoi nsacoi caonsi aconsi coansi ocansi aocnsi oacnsi canosi acnosi cnaosi ncaosi ancosi nacosi conasi ocnasi cnoasi ncoasi oncasi nocasi aoncsi oancsi anocsi naocsi onacsi noacsi csonai sconai cosnai ocsnai socnai oscnai csnoai scnoai cnsoai ncsoai sncoai nscoai consai ocnsai cnosai ncosai oncsai nocsai soncai osncai snocai nsocai onscai noscai asonci saonci aosnci oasnci soanci osanci asnoci sanoci ansoci nasoci snaoci nsaoci aonsci oansci anosci naosci onasci noasci sonaci osnaci snoaci nsoaci onsaci nosaci caions acions ciaons icaons aicons iacons caoins acoins coains ocains aocins oacins cioans icoans coians ocians iocans oicans aiocns iaocns aoicns oaicns ioacns oiacns cainos acinos cianos icanos aicnos iacnos canios acnios cnaios ncaios ancios nacios cinaos icnaos cniaos nciaos incaos nicaos aincos iancos anicos naicos inacos niacos caonis aconis coanis ocanis aocnis oacnis canois acnois cnaois ncaois ancois nacois conais ocnais cnoais ncoais oncais nocais aoncis oancis anocis naocis onacis noacis cionas iconas coinas ocinas iocnas oicnas cinoas icnoas cnioas ncioas incoas nicoas conias ocnias cnoias ncoias oncias nocias ioncas oincas inocas niocas onicas noicas aioncs iaoncs aoincs oaincs ioancs oiancs ainocs ianocs aniocs naiocs inaocs niaocs aonics oanics anoics naoics onaics noaics ionacs oinacs inoacs nioacs oniacs noiacs csiona sciona cisona icsona sicona iscona csoina scoina cosina ocsina socina oscina ciosna icosna coisna ocisna iocsna oicsna siocna isocna soicna osicna ioscna oiscna csinoa scinoa cisnoa icsnoa sicnoa iscnoa csnioa scnioa cnsioa ncsioa sncioa nscioa cinsoa icnsoa cnisoa ncisoa incsoa nicsoa sincoa isncoa snicoa nsicoa inscoa niscoa csonia sconia cosnia ocsnia socnia oscnia csnoia scnoia cnsoia ncsoia sncoia nscoia consia ocnsia cnosia ncosia oncsia nocsia soncia osncia snocia nsocia onscia noscia cionsa iconsa coinsa ocinsa iocnsa oicnsa cinosa icnosa cniosa nciosa incosa nicosa conisa ocnisa cnoisa ncoisa oncisa nocisa ioncsa oincsa inocsa niocsa onicsa noicsa sionca isonca soinca osinca iosnca oisnca sinoca isnoca snioca nsioca insoca nisoca sonica osnica snoica nsoica onsica nosica ionsca oinsca inosca niosca onisca noisca asionc saionc aisonc iasonc siaonc isaonc asoinc saoinc aosinc oasinc soainc osainc aiosnc iaosnc aoisnc oaisnc ioasnc oiasnc sioanc isoanc soianc osianc iosanc oisanc asinoc sainoc aisnoc iasnoc sianoc isanoc asnioc sanioc ansioc nasioc snaioc nsaioc ainsoc iansoc anisoc naisoc inasoc niasoc sinaoc isnaoc sniaoc nsiaoc insaoc nisaoc asonic saonic aosnic oasnic soanic osanic asnoic sanoic ansoic nasoic snaoic nsaoic aonsic oansic anosic naosic onasic noasic sonaic osnaic snoaic nsoaic onsaic nosaic aionsc iaonsc aoinsc oainsc ioansc oiansc ainosc ianosc aniosc naiosc inaosc niaosc aonisc oanisc anoisc naoisc onaisc noaisc ionasc oinasc inoasc nioasc oniasc noiasc sionac isonac soinac osinac iosnac oisnac sinoac isnoac snioac nsioac insoac nisoac soniac osniac snoiac nsoiac onsiac nosiac ionsac oinsac inosac niosac onisac noisac
Note: these 'words' (valid or invalid) are all the permutations of the word casion. These words are obtained by scrambling the letters in casion.