hecht ehcht hceht cheht echht cehht hehct ehhct hhect hhect ehhct hehct hchet chhet hhcet hhcet chhet hchet echht cehht ehcht hecht cheht hceht hecth ehcth hceth cheth echth cehth hetch ehtch htech thech ethch tehch hcteh chteh htceh thceh ctheh tcheh ecthh cethh etchh techh ctehh tcehh hehtc ehhtc hhetc hhetc ehhtc hehtc hethc ehthc htehc thehc ethhc tehhc hhtec hhtec hthec thhec hthec thhec ehthc hethc ethhc tehhc htehc thehc hchte chhte hhcte hhcte chhte hchte hcthe chthe htche thche cthhe tchhe hhtce hhtce hthce thhce hthce thhce chthe hcthe cthhe tchhe htche thche echth cehth ehcth hecth cheth hceth ecthh cethh etchh techh ctehh tcehh ehtch hetch ethch tehch htech thech chteh hcteh ctheh tcheh htceh thceh
Note: these 'words' (valid or invalid) are all the permutations of the word hecht. These words are obtained by scrambling the letters in hecht.