cetes ectes ctees tcees etces teces ceets ecets ceets ecets eects eects ctees tcees cetes ectes teces etces etecs teecs eetcs eetcs teecs etecs cetse ectse ctese tcese etcse tecse ceste ecste csete scete escte secte ctsee tcsee cstee sctee tscee stcee etsce tesce estce setce tsece stece ceest ecest ceest ecest eecst eecst ceset ecset cseet sceet escet secet ceset ecset cseet sceet escet secet eesct eesct esect seect esect seect ctese tcese cetse ectse tecse etcse ctsee tcsee cstee sctee tscee stcee ceste ecste csete scete escte secte tesce etsce tsece stece estce setce etesc teesc eetsc eetsc teesc etesc etsec tesec estec setec tseec steec eestc eestc esetc seetc esetc seetc tesec etsec tseec steec estec setec
Note: these 'words' (valid or invalid) are all the permutations of the word cetes. These words are obtained by scrambling the letters in cetes.