watch awtch wtach twach atwch tawch wacth awcth wcath cwath acwth cawth wtcah twcah wctah cwtah tcwah ctwah atcwh tacwh actwh catwh tcawh ctawh wathc awthc wtahc twahc atwhc tawhc wahtc awhtc whatc hwatc ahwtc hawtc wthac twhac whtac hwtac thwac htwac athwc tahwc ahtwc hatwc thawc htawc wacht awcht wcaht cwaht acwht cawht wahct awhct whact hwact ahwct hawct wchat cwhat whcat hwcat chwat hcwat achwt cahwt ahcwt hacwt chawt hcawt wtcha twcha wctha cwtha tcwha ctwha wthca twhca whtca hwtca thwca htwca wchta cwhta whcta hwcta chwta hcwta tchwa cthwa thcwa htcwa chtwa hctwa atchw tachw acthw cathw tcahw ctahw athcw tahcw ahtcw hatcw thacw htacw achtw cahtw ahctw hactw chatw hcatw tchaw cthaw thcaw htcaw chtaw hctaw
Note: these 'words' (valid or invalid) are all the permutations of the word watch. These words are obtained by scrambling the letters in watch.