oucht uocht ocuht couht ucoht cuoht ouhct uohct ohuct houct uhoct huoct ochut cohut ohcut hocut chout hcout uchot cuhot uhcot hucot chuot hcuot oucth uocth ocuth couth ucoth cuoth outch uotch otuch touch utoch tuoch octuh cotuh otcuh tocuh ctouh tcouh uctoh cutoh utcoh tucoh ctuoh tcuoh ouhtc uohtc ohutc houtc uhotc huotc outhc uothc otuhc touhc utohc tuohc ohtuc hotuc othuc tohuc htouc thouc uhtoc hutoc uthoc tuhoc htuoc thuoc ochtu cohtu ohctu hoctu chotu hcotu octhu cothu otchu tochu ctohu tcohu ohtcu hotcu othcu tohcu htocu thocu chtou hctou cthou tchou htcou thcou uchto cuhto uhcto hucto chuto hcuto uctho cutho utcho tucho ctuho tcuho uhtco hutco uthco tuhco htuco thuco chtuo hctuo cthuo tchuo htcuo thcuo
Note: these 'words' (valid or invalid) are all the permutations of the word oucht. These words are obtained by scrambling the letters in oucht.