uhiss huiss uihss iuhss hiuss ihuss uhsis husis ushis suhis hsuis shuis uishs iushs usihs suihs isuhs siuhs hisus ihsus hsius shius ishus sihus uhiss huiss uihss iuhss hiuss ihuss uhsis husis ushis suhis hsuis shuis uishs iushs usihs suihs isuhs siuhs hisus ihsus hsius shius ishus sihus uhssi hussi ushsi suhsi hsusi shusi uhssi hussi ushsi suhsi hsusi shusi usshi sushi usshi sushi ssuhi ssuhi hssui shsui hssui shsui sshui sshui uissh iussh usish suish isush siush uissh iussh usish suish isush siush ussih susih ussih susih ssuih ssuih issuh sisuh issuh sisuh ssiuh ssiuh hissu ihssu hsisu shisu ishsu sihsu hissu ihssu hsisu shisu ishsu sihsu hssiu shsiu hssiu shsiu sshiu sshiu isshu sishu isshu sishu ssihu ssihu
Note: these 'words' (valid or invalid) are all the permutations of the word uhiss. These words are obtained by scrambling the letters in uhiss.