illyx lilyx illyx lilyx lliyx lliyx ilylx liylx iyllx yillx lyilx ylilx ilylx liylx iyllx yillx lyilx ylilx llyix llyix lylix yllix lylix yllix illxy lilxy illxy lilxy llixy llixy ilxly lixly ixlly xilly lxily xlily ilxly lixly ixlly xilly lxily xlily llxiy llxiy lxliy xlliy lxliy xlliy ilyxl liyxl iylxl yilxl lyixl ylixl ilxyl lixyl ixlyl xilyl lxiyl xliyl iyxll yixll ixyll xiyll yxill xyill lyxil ylxil lxyil xlyil yxlil xylil ilyxl liyxl iylxl yilxl lyixl ylixl ilxyl lixyl ixlyl xilyl lxiyl xliyl iyxll yixll ixyll xiyll yxill xyill lyxil ylxil lxyil xlyil yxlil xylil llyxi llyxi lylxi yllxi lylxi yllxi llxyi llxyi lxlyi xllyi lxlyi xllyi lyxli ylxli lxyli xlyli yxlli xylli lyxli ylxli lxyli xlyli yxlli xylli
Note: these 'words' (valid or invalid) are all the permutations of the word illyx. These words are obtained by scrambling the letters in illyx.