slunk lsunk sulnk uslnk lusnk ulsnk slnuk lsnuk snluk nsluk lnsuk nlsuk sunlk usnlk snulk nsulk unslk nuslk lunsk ulnsk lnusk nlusk unlsk nulsk slukn lsukn sulkn uslkn luskn ulskn slkun lskun sklun kslun lksun klsun sukln uskln skuln ksuln uksln kusln luksn ulksn lkusn klusn uklsn kulsn slnku lsnku snlku nslku lnsku nlsku slknu lsknu sklnu kslnu lksnu klsnu snklu nsklu sknlu ksnlu nkslu knslu lnksu nlksu lknsu klnsu nklsu knlsu sunkl usnkl snukl nsukl unskl nuskl suknl usknl skunl ksunl uksnl kusnl snkul nskul sknul ksnul nksul knsul unksl nuksl uknsl kunsl nkusl knusl lunks ulnks lnuks nluks unlks nulks lukns ulkns lkuns kluns uklns kulns lnkus nlkus lknus klnus nklus knlus unkls nukls uknls kunls nkuls knuls
Note: these 'words' (valid or invalid) are all the permutations of the word slunk. These words are obtained by scrambling the letters in slunk.