laurr alurr luarr ularr aulrr ualrr larur alrur lraur rlaur arlur ralur lurar ulrar lruar rluar urlar rular aurlr uarlr arulr raulr uralr rualr laurr alurr luarr ularr aulrr ualrr larur alrur lraur rlaur arlur ralur lurar ulrar lruar rluar urlar rular aurlr uarlr arulr raulr uralr rualr larru alrru lraru rlaru arlru ralru larru alrru lraru rlaru arlru ralru lrrau rlrau lrrau rlrau rrlau rrlau arrlu rarlu arrlu rarlu rralu rralu lurra ulrra lrura rlura urlra rulra lurra ulrra lrura rlura urlra rulra lrrua rlrua lrrua rlrua rrlua rrlua urrla rurla urrla rurla rrula rrula aurrl uarrl arurl raurl urarl ruarl aurrl uarrl arurl raurl urarl ruarl arrul rarul arrul rarul rraul rraul urral rural urral rural rrual rrual
Note: these 'words' (valid or invalid) are all the permutations of the word laurr. These words are obtained by scrambling the letters in laurr.