funk ufnk fnuk nfuk unfk nufk fukn ufkn fkun kfun ukfn kufn fnku nfku fknu kfnu nkfu knfu unkf nukf uknf kunf nkuf knuf
Note: these 'words' (valid or invalid) are all the permutations of the word funk. These words are obtained by scrambling the letters in funk.