ksars skars kasrs aksrs sakrs askrs ksras skras krsas rksas srkas rskas karss akrss krass rkass arkss rakss sarks asrks sraks rsaks arsks rasks ksasr skasr kassr akssr saksr asksr kssar sksar kssar sksar sskar sskar kassr akssr ksasr skasr asksr saksr saskr asskr ssakr ssakr asskr saskr ksrsa skrsa krssa rkssa srksa rsksa kssra sksra kssra sksra sskra sskra krssa rkssa ksrsa skrsa rsksa srksa srska rsska ssrka ssrka rsska srska karss akrss krass rkass arkss rakss kasrs aksrs ksars skars askrs sakrs krsas rksas ksras skras rskas srkas arsks rasks asrks sarks rsaks sraks sarsk asrsk srask rsask arssk rassk sasrk assrk ssark ssark assrk sasrk srsak rssak ssrak ssrak rssak srsak arssk rassk asrsk sarsk rsask srask
Note: these 'words' (valid or invalid) are all the permutations of the word ksars. These words are obtained by scrambling the letters in ksars.