hatec ahtec htaec thaec athec tahec haetc ahetc heatc ehatc aehtc eahtc hteac theac hetac ehtac tehac ethac atehc taehc aethc eathc teahc etahc hatce ahtce htace thace athce tahce hacte ahcte hcate chate achte cahte htcae thcae hctae chtae tchae cthae atche tache acthe cathe tcahe ctahe haect ahect heact ehact aehct eahct hacet ahcet hcaet chaet achet cahet hecat ehcat hceat cheat echat cehat aecht eacht aceht caeht ecaht ceaht hteca theca hetca ehtca tehca ethca htcea thcea hctea chtea tchea cthea hecta ehcta hceta cheta echta cehta techa etcha tceha cteha ectha cetha atech taech aetch eatch teach etach atceh taceh acteh cateh tcaeh ctaeh aecth eacth aceth caeth ecath ceath tecah etcah tceah cteah ectah cetah
Note: these 'words' (valid or invalid) are all the permutations of the word hatec. These words are obtained by scrambling the letters in hatec.