kills iklls klils lkils ilkls likls kills iklls klils lkils ilkls likls kllis lklis kllis lklis llkis llkis illks lilks illks lilks lliks lliks kilsl iklsl klisl lkisl ilksl liksl kisll iksll ksill skill iskll sikll klsil lksil kslil sklil lskil slkil ilskl liskl islkl silkl lsikl slikl kilsl iklsl klisl lkisl ilksl liksl kisll iksll ksill skill iskll sikll klsil lksil kslil sklil lskil slkil ilskl liskl islkl silkl lsikl slikl kllsi lklsi kllsi lklsi llksi llksi klsli lksli kslli sklli lskli slkli klsli lksli kslli sklli lskli slkli llski llski lslki sllki lslki sllki illsk lilsk illsk lilsk llisk llisk ilslk lislk isllk sillk lsilk slilk ilslk lislk isllk sillk lsilk slilk llsik llsik lslik sllik lslik sllik
Note: these 'words' (valid or invalid) are all the permutations of the word kills. These words are obtained by scrambling the letters in kills.