wulls uwlls wluls lwuls ulwls luwls wulls uwlls wluls lwuls ulwls luwls wllus lwlus wllus lwlus llwus llwus ullws lulws ullws lulws lluws lluws wulsl uwlsl wlusl lwusl ulwsl luwsl wusll uwsll wsull swull uswll suwll wlsul lwsul wslul swlul lswul slwul ulswl luswl uslwl sulwl lsuwl sluwl wulsl uwlsl wlusl lwusl ulwsl luwsl wusll uwsll wsull swull uswll suwll wlsul lwsul wslul swlul lswul slwul ulswl luswl uslwl sulwl lsuwl sluwl wllsu lwlsu wllsu lwlsu llwsu llwsu wlslu lwslu wsllu swllu lswlu slwlu wlslu lwslu wsllu swllu lswlu slwlu llswu llswu lslwu sllwu lslwu sllwu ullsw lulsw ullsw lulsw llusw llusw ulslw luslw usllw sullw lsulw slulw ulslw luslw usllw sullw lsulw slulw llsuw llsuw lsluw slluw lsluw slluw
Note: these 'words' (valid or invalid) are all the permutations of the word wulls. These words are obtained by scrambling the letters in wulls.