mambo ammbo mmabo mmabo ammbo mambo mabmo ambmo mbamo bmamo abmmo bammo mmbao mmbao mbmao bmmao mbmao bmmao ambmo mabmo abmmo bammo mbamo bmamo mamob ammob mmaob mmaob ammob mamob maomb amomb moamb omamb aommb oammb mmoab mmoab momab ommab momab ommab amomb maomb aommb oammb moamb omamb mabom ambom mbaom bmaom abmom bamom maobm amobm moabm omabm aombm oambm mboam bmoam mobam ombam bomam obmam abomm baomm aobmm oabmm boamm obamm mmboa mmboa mbmoa bmmoa mbmoa bmmoa mmoba mmoba momba ommba momba ommba mboma bmoma mobma ombma bomma obmma mboma bmoma mobma ombma bomma obmma ambom mabom abmom bamom mbaom bmaom amobm maobm aombm oambm moabm omabm abomm baomm aobmm oabmm boamm obamm mboam bmoam mobam ombam bomam obmam
Note: these 'words' (valid or invalid) are all the permutations of the word mambo. These words are obtained by scrambling the letters in mambo.