coart ocart caort acort oacrt aocrt corat ocrat croat rcoat orcat rocat carot acrot craot rcaot arcot racot oarct aorct oract roact aroct raoct coatr ocatr caotr acotr oactr aoctr cotar octar ctoar tcoar otcar tocar cator actor ctaor tcaor atcor tacor oatcr aotcr otacr toacr atocr taocr corta ocrta crota rcota orcta rocta cotra octra ctora tcora otcra tocra crtoa rctoa ctroa tcroa rtcoa trcoa ortca rotca otrca torca rtoca troca carto acrto crato rcato arcto racto catro actro ctaro tcaro atcro tacro crtao rctao ctrao tcrao rtcao trcao artco ratco atrco tarco rtaco traco oartc aortc oratc roatc arotc raotc oatrc aotrc otarc toarc atorc taorc ortac rotac otrac torac rtoac troac artoc ratoc atroc taroc rtaoc traoc
Note: these 'words' (valid or invalid) are all the permutations of the word coart. These words are obtained by scrambling the letters in coart.