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