coact ocact caoct acoct oacct aocct cocat occat ccoat ccoat occat cocat cacot accot ccaot ccaot accot cacot oacct aocct ocact coact acoct caoct coatc ocatc caotc acotc oactc aoctc cotac octac ctoac tcoac otcac tocac catoc actoc ctaoc tcaoc atcoc tacoc oatcc aotcc otacc toacc atocc taocc cocta occta ccota ccota occta cocta cotca octca ctoca tcoca otcca tocca cctoa cctoa ctcoa tccoa ctcoa tccoa octca cotca otcca tocca ctoca tcoca cacto accto ccato ccato accto cacto catco actco ctaco tcaco atcco tacco cctao cctao ctcao tccao ctcao tccao actco catco atcco tacco ctaco tcaco oactc aoctc ocatc coatc acotc caotc oatcc aotcc otacc toacc atocc taocc octac cotac otcac tocac ctoac tcoac actoc catoc atcoc tacoc ctaoc tcaoc
Note: these 'words' (valid or invalid) are all the permutations of the word coact. These words are obtained by scrambling the letters in coact.