xysts yxsts xsyts sxyts ysxts syxts xytss yxtss xtyss txyss ytxss tyxss xstys sxtys xtsys txsys stxys tsxys ystxs sytxs ytsxs tysxs styxs tsyxs xysst yxsst xsyst sxyst ysxst syxst xysst yxsst xsyst sxyst ysxst syxst xssyt sxsyt xssyt sxsyt ssxyt ssxyt yssxt sysxt yssxt sysxt ssyxt ssyxt xytss yxtss xtyss txyss ytxss tyxss xysts yxsts xsyts sxyts ysxts syxts xtsys txsys xstys sxtys tsxys stxys ytsxs tysxs ystxs sytxs tsyxs styxs xstsy sxtsy xtssy txssy stxsy tsxsy xssty sxsty xssty sxsty ssxty ssxty xtssy txssy xstsy sxtsy tsxsy stxsy stsxy tssxy sstxy sstxy tssxy stsxy ystsx sytsx ytssx tyssx stysx tsysx ysstx systx ysstx systx ssytx ssytx ytssx tyssx ystsx sytsx tsysx stysx stsyx tssyx sstyx sstyx tssyx stsyx
Note: these 'words' (valid or invalid) are all the permutations of the word xysts. These words are obtained by scrambling the letters in xysts.