mamba ammba mmaba mmaba ammba mamba mabma ambma mbama bmama abmma bamma mmbaa mmbaa mbmaa bmmaa mbmaa bmmaa ambma mabma abmma bamma mbama bmama mamab ammab mmaab mmaab ammab mamab maamb amamb maamb amamb aammb aammb mmaab mmaab mamab ammab mamab ammab amamb maamb aammb aammb maamb amamb mabam ambam mbaam bmaam abmam bamam maabm amabm maabm amabm aambm aambm mbaam bmaam mabam ambam bamam abmam abamm baamm aabmm aabmm baamm abamm mmbaa mmbaa mbmaa bmmaa mbmaa bmmaa mmaba mmaba mamba ammba mamba ammba mbama bmama mabma ambma bamma abmma mbama bmama mabma ambma bamma abmma ambam mabam abmam bamam mbaam bmaam amabm maabm aambm aambm maabm amabm abamm baamm aabmm aabmm baamm abamm mbaam bmaam mabam ambam bamam abmam
Note: these 'words' (valid or invalid) are all the permutations of the word mamba. These words are obtained by scrambling the letters in mamba.