fumy ufmy fmuy mfuy umfy mufy fuym ufym fyum yfum uyfm yufm fmyu mfyu fymu yfmu myfu ymfu umyf muyf uymf yumf myuf ymuf
Note: these 'words' (valid or invalid) are all the permutations of the word fumy. These words are obtained by scrambling the letters in fumy.