mulla umlla mlula lmula ulmla lumla mulla umlla mlula lmula ulmla lumla mllua lmlua mllua lmlua llmua llmua ullma lulma ullma lulma lluma lluma mulal umlal mlual lmual ulmal lumal muall umall maull amull uamll aumll mlaul lmaul malul amlul lamul almul ulaml luaml ualml aulml lauml aluml mulal umlal mlual lmual ulmal lumal muall umall maull amull uamll aumll mlaul lmaul malul amlul lamul almul ulaml luaml ualml aulml lauml aluml mllau lmlau mllau lmlau llmau llmau mlalu lmalu mallu amllu lamlu almlu mlalu lmalu mallu amllu lamlu almlu llamu llamu lalmu allmu lalmu allmu ullam lulam ullam lulam lluam lluam ulalm lualm uallm aullm laulm alulm ulalm lualm uallm aullm laulm alulm llaum llaum lalum allum lalum allum
Note: these 'words' (valid or invalid) are all the permutations of the word mulla. These words are obtained by scrambling the letters in mulla.