octads cotads otcads tocads ctoads tcoads ocatds coatds oactds aoctds caotds acotds otacds toacds oatcds aotcds taocds atocds ctaods tcaods catods actods tacods atcods octdas cotdas otcdas tocdas ctodas tcodas ocdtas codtas odctas doctas cdotas dcotas otdcas todcas odtcas dotcas tdocas dtocas ctdoas tcdoas cdtoas dctoas tdcoas dtcoas ocadts coadts oacdts aocdts caodts acodts ocdats codats odcats docats cdoats dcoats oadcts aodcts odacts doacts adocts daocts cadots acdots cdaots dcaots adcots dacots otadcs toadcs oatdcs aotdcs taodcs atodcs otdacs todacs odtacs dotacs tdoacs dtoacs oadtcs aodtcs odatcs doatcs adotcs daotcs tadocs atdocs tdaocs dtaocs adtocs datocs ctados tcados catdos actdos tacdos atcdos ctdaos tcdaos cdtaos dctaos tdcaos dtcaos cadtos acdtos cdatos dcatos adctos dactos tadcos atdcos tdacos dtacos adtcos datcos octasd cotasd otcasd tocasd ctoasd tcoasd ocatsd coatsd oactsd aoctsd caotsd acotsd otacsd toacsd oatcsd aotcsd taocsd atocsd ctaosd tcaosd catosd actosd tacosd atcosd octsad cotsad otcsad tocsad ctosad tcosad ocstad costad osctad soctad csotad scotad otscad toscad ostcad sotcad tsocad stocad ctsoad tcsoad cstoad sctoad tscoad stcoad ocastd coastd oacstd aocstd caostd acostd ocsatd cosatd oscatd socatd csoatd scoatd oasctd aosctd osactd soactd asoctd saoctd casotd acsotd csaotd scaotd ascotd sacotd otascd toascd oatscd aotscd taoscd atoscd otsacd tosacd ostacd sotacd tsoacd stoacd oastcd aostcd osatcd soatcd asotcd saotcd tasocd atsocd tsaocd staocd astocd satocd ctasod tcasod catsod actsod tacsod atcsod ctsaod tcsaod cstaod sctaod tscaod stcaod castod acstod csatod scatod asctod sactod tascod atscod tsacod stacod astcod satcod octdsa cotdsa otcdsa tocdsa ctodsa tcodsa ocdtsa codtsa odctsa doctsa cdotsa dcotsa otdcsa todcsa odtcsa dotcsa tdocsa dtocsa ctdosa tcdosa cdtosa dctosa tdcosa dtcosa octsda cotsda otcsda tocsda ctosda tcosda ocstda costda osctda soctda csotda scotda otscda toscda ostcda sotcda tsocda stocda ctsoda tcsoda cstoda sctoda tscoda stcoda ocdsta codsta odcsta docsta cdosta dcosta ocsdta cosdta oscdta socdta csodta scodta odscta doscta osdcta sodcta dsocta sdocta cdsota dcsota csdota scdota dscota sdcota otdsca todsca odtsca dotsca tdosca dtosca otsdca tosdca ostdca sotdca tsodca stodca odstca dostca osdtca sodtca dsotca sdotca tdsoca dtsoca tsdoca stdoca dstoca sdtoca ctdsoa tcdsoa cdtsoa dctsoa tdcsoa dtcsoa ctsdoa tcsdoa cstdoa sctdoa tscdoa stcdoa cdstoa dcstoa csdtoa scdtoa dsctoa sdctoa tdscoa dtscoa tsdcoa stdcoa dstcoa sdtcoa ocadst coadst oacdst aocdst caodst acodst ocdast codast odcast docast cdoast dcoast oadcst aodcst odacst doacst adocst daocst cadost acdost cdaost dcaost adcost dacost ocasdt coasdt oacsdt aocsdt caosdt acosdt ocsadt cosadt oscadt socadt csoadt scoadt oascdt aoscdt osacdt soacdt asocdt saocdt casodt acsodt csaodt scaodt ascodt sacodt ocdsat codsat odcsat docsat cdosat dcosat ocsdat cosdat oscdat socdat csodat scodat odscat doscat osdcat sodcat dsocat sdocat cdsoat dcsoat csdoat scdoat dscoat sdcoat oadsct aodsct odasct doasct adosct daosct oasdct aosdct osadct soadct asodct saodct odsact dosact osdact sodact dsoact sdoact adsoct dasoct asdoct sadoct dsaoct sdaoct cadsot acdsot cdasot dcasot adcsot dacsot casdot acsdot csadot scadot ascdot sacdot cdsaot dcsaot csdaot scdaot dscaot sdcaot adscot dascot asdcot sadcot dsacot sdacot otadsc toadsc oatdsc aotdsc taodsc atodsc otdasc todasc odtasc dotasc tdoasc dtoasc oadtsc aodtsc odatsc doatsc adotsc daotsc tadosc atdosc tdaosc dtaosc adtosc datosc otasdc toasdc oatsdc aotsdc taosdc atosdc otsadc tosadc ostadc sotadc tsoadc stoadc oastdc aostdc osatdc soatdc asotdc saotdc tasodc atsodc tsaodc staodc astodc satodc otdsac todsac odtsac dotsac tdosac dtosac otsdac tosdac ostdac sotdac tsodac stodac odstac dostac osdtac sodtac dsotac sdotac tdsoac dtsoac tsdoac stdoac dstoac sdtoac oadstc aodstc odastc doastc adostc daostc oasdtc aosdtc osadtc soadtc asodtc saodtc odsatc dosatc osdatc sodatc dsoatc sdoatc adsotc dasotc asdotc sadotc dsaotc sdaotc tadsoc atdsoc tdasoc dtasoc adtsoc datsoc tasdoc atsdoc tsadoc stadoc astdoc satdoc tdsaoc dtsaoc tsdaoc stdaoc dstaoc sdtaoc adstoc dastoc asdtoc sadtoc dsatoc sdatoc ctadso tcadso catdso actdso tacdso atcdso ctdaso tcdaso cdtaso dctaso tdcaso dtcaso cadtso acdtso cdatso dcatso adctso dactso tadcso atdcso tdacso dtacso adtcso datcso ctasdo tcasdo catsdo actsdo tacsdo atcsdo ctsado tcsado cstado sctado tscado stcado castdo acstdo csatdo scatdo asctdo sactdo tascdo atscdo tsacdo stacdo astcdo satcdo ctdsao tcdsao cdtsao dctsao tdcsao dtcsao ctsdao tcsdao cstdao sctdao tscdao stcdao cdstao dcstao csdtao scdtao dsctao sdctao tdscao dtscao tsdcao stdcao dstcao sdtcao cadsto acdsto cdasto dcasto adcsto dacsto casdto acsdto csadto scadto ascdto sacdto cdsato dcsato csdato scdato dscato sdcato adscto dascto asdcto sadcto dsacto sdacto tadsco atdsco tdasco dtasco adtsco datsco tasdco atsdco tsadco stadco astdco satdco tdsaco dtsaco tsdaco stdaco dstaco sdtaco adstco dastco asdtco sadtco dsatco sdatco
Note: these 'words' (valid or invalid) are all the permutations of the word octads. These words are obtained by scrambling the letters in octads.