cotans octans ctoans tcoans otcans tocans coatns ocatns caotns acotns oactns aoctns ctaons tcaons catons actons tacons atcons otacns toacns oatcns aotcns taocns atocns cotnas octnas ctonas tconas otcnas tocnas contas ocntas cnotas ncotas onctas noctas ctnoas tcnoas cntoas nctoas tncoas ntcoas otncas toncas ontcas notcas tnocas ntocas coants ocants caonts aconts oacnts aocnts conats ocnats cnoats ncoats oncats nocats canots acnots cnaots ncaots ancots nacots oancts aoncts onacts noacts anocts naocts ctanos tcanos catnos actnos tacnos atcnos ctnaos tcnaos cntaos nctaos tncaos ntcaos cantos acntos cnatos ncatos anctos nactos tancos atncos tnacos ntacos antcos natcos otancs toancs oatncs aotncs taoncs atoncs otnacs tonacs ontacs notacs tnoacs ntoacs oantcs aontcs onatcs noatcs anotcs naotcs tanocs atnocs tnaocs ntaocs antocs natocs cotasn octasn ctoasn tcoasn otcasn tocasn coatsn ocatsn caotsn acotsn oactsn aoctsn ctaosn tcaosn catosn actosn tacosn atcosn otacsn toacsn oatcsn aotcsn taocsn atocsn cotsan octsan ctosan tcosan otcsan tocsan costan ocstan csotan scotan osctan soctan ctsoan tcsoan cstoan sctoan tscoan stcoan otscan toscan ostcan sotcan tsocan stocan coastn ocastn caostn acostn oacstn aocstn cosatn ocsatn csoatn scoatn oscatn socatn casotn acsotn csaotn scaotn ascotn sacotn oasctn aosctn osactn soactn asoctn saoctn ctason tcason catson actson tacson atcson ctsaon tcsaon cstaon sctaon tscaon stcaon caston acston csaton scaton ascton sacton tascon atscon tsacon stacon astcon satcon otascn toascn oatscn aotscn taoscn atoscn otsacn tosacn ostacn sotacn tsoacn stoacn oastcn aostcn osatcn soatcn asotcn saotcn tasocn atsocn tsaocn staocn astocn satocn cotnsa octnsa ctonsa tconsa otcnsa tocnsa contsa ocntsa cnotsa ncotsa onctsa noctsa ctnosa tcnosa cntosa nctosa tncosa ntcosa otncsa toncsa ontcsa notcsa tnocsa ntocsa cotsna octsna ctosna tcosna otcsna tocsna costna ocstna csotna scotna osctna soctna ctsona tcsona cstona sctona tscona stcona otscna toscna ostcna sotcna tsocna stocna consta ocnsta cnosta ncosta oncsta nocsta cosnta ocsnta csonta sconta oscnta socnta cnsota ncsota csnota scnota nscota sncota onscta noscta osncta soncta nsocta snocta ctnsoa tcnsoa cntsoa nctsoa tncsoa ntcsoa ctsnoa tcsnoa cstnoa sctnoa tscnoa stcnoa cnstoa ncstoa csntoa scntoa nsctoa snctoa tnscoa ntscoa tsncoa stncoa nstcoa sntcoa otnsca tonsca ontsca notsca tnosca ntosca otsnca tosnca ostnca sotnca tsonca stonca onstca nostca osntca sontca nsotca snotca tnsoca ntsoca tsnoca stnoca nstoca sntoca coanst ocanst caonst aconst oacnst aocnst conast ocnast cnoast ncoast oncast nocast canost acnost cnaost ncaost ancost nacost oancst aoncst onacst noacst anocst naocst coasnt ocasnt caosnt acosnt oacsnt aocsnt cosant ocsant csoant scoant oscant socant casont acsont csaont scaont ascont sacont oascnt aoscnt osacnt soacnt asocnt saocnt consat ocnsat cnosat ncosat oncsat nocsat cosnat ocsnat csonat sconat oscnat socnat cnsoat ncsoat csnoat scnoat nscoat sncoat onscat noscat osncat soncat nsocat snocat cansot acnsot cnasot ncasot ancsot nacsot casnot acsnot csanot scanot ascnot sacnot cnsaot ncsaot csnaot scnaot nscaot sncaot anscot nascot asncot sancot nsacot snacot oansct aonsct onasct noasct anosct naosct oasnct aosnct osanct soanct asonct saonct onsact nosact osnact sonact nsoact snoact ansoct nasoct asnoct sanoct nsaoct snaoct ctanso tcanso catnso actnso tacnso atcnso ctnaso tcnaso cntaso nctaso tncaso ntcaso cantso acntso cnatso ncatso anctso nactso tancso atncso tnacso ntacso antcso natcso ctasno tcasno catsno actsno tacsno atcsno ctsano tcsano cstano sctano tscano stcano castno acstno csatno scatno asctno sactno tascno atscno tsacno stacno astcno satcno ctnsao tcnsao cntsao nctsao tncsao ntcsao ctsnao tcsnao cstnao sctnao tscnao stcnao cnstao ncstao csntao scntao nsctao snctao tnscao ntscao tsncao stncao nstcao sntcao cansto acnsto cnasto ncasto ancsto nacsto casnto acsnto csanto scanto ascnto sacnto cnsato ncsato csnato scnato nscato sncato anscto nascto asncto sancto nsacto snacto tansco atnsco tnasco ntasco antsco natsco tasnco atsnco tsanco stanco astnco satnco tnsaco ntsaco tsnaco stnaco nstaco sntaco anstco nastco asntco santco nsatco snatco otansc toansc oatnsc aotnsc taonsc atonsc otnasc tonasc ontasc notasc tnoasc ntoasc oantsc aontsc onatsc noatsc anotsc naotsc tanosc atnosc tnaosc ntaosc antosc natosc otasnc toasnc oatsnc aotsnc taosnc atosnc otsanc tosanc ostanc sotanc tsoanc stoanc oastnc aostnc osatnc soatnc asotnc saotnc tasonc atsonc tsaonc staonc astonc satonc otnsac tonsac ontsac notsac tnosac ntosac otsnac tosnac ostnac sotnac tsonac stonac onstac nostac osntac sontac nsotac snotac tnsoac ntsoac tsnoac stnoac nstoac sntoac oanstc aonstc onastc noastc anostc naostc oasntc aosntc osantc soantc asontc saontc onsatc nosatc osnatc sonatc nsoatc snoatc ansotc nasotc asnotc sanotc nsaotc snaotc tansoc atnsoc tnasoc ntasoc antsoc natsoc tasnoc atsnoc tsanoc stanoc astnoc satnoc tnsaoc ntsaoc tsnaoc stnaoc nstaoc sntaoc anstoc nastoc asntoc santoc nsatoc snatoc
Note: these 'words' (valid or invalid) are all the permutations of the word cotans. These words are obtained by scrambling the letters in cotans.