hotch ohtch htoch thoch othch tohch hocth ohcth hcoth choth ochth cohth htcoh thcoh hctoh chtoh tchoh cthoh otchh tochh octhh cothh tcohh ctohh hothc ohthc htohc thohc othhc tohhc hohtc ohhtc hhotc hhotc ohhtc hohtc hthoc thhoc hhtoc hhtoc thhoc hthoc othhc tohhc ohthc hothc thohc htohc hocht ohcht hcoht choht ochht cohht hohct ohhct hhoct hhoct ohhct hohct hchot chhot hhcot hhcot chhot hchot ochht cohht ohcht hocht choht hcoht htcho thcho hctho chtho tchho cthho hthco thhco hhtco hhtco thhco hthco hchto chhto hhcto hhcto chhto hchto tchho cthho thcho htcho chtho hctho otchh tochh octhh cothh tcohh ctohh othch tohch ohtch hotch thoch htoch ochth cohth ohcth hocth choth hcoth tchoh cthoh thcoh htcoh chtoh hctoh
Note: these 'words' (valid or invalid) are all the permutations of the word hotch. These words are obtained by scrambling the letters in hotch.