amban maban abman baman mbaan bmaan amabn maabn aambn aambn maabn amabn abamn baamn aabmn aabmn baamn abamn mbaan bmaan maban amban baman abman ambna mabna abmna bamna mbana bmana amnba manba anmba namba mnaba nmaba abnma banma anbma nabma bnama nbama mbnaa bmnaa mnbaa nmbaa bnmaa nbmaa amanb maanb aamnb aamnb maanb amanb amnab manab anmab namab mnaab nmaab aanmb aanmb anamb naamb anamb naamb manab amnab mnaab nmaab anmab namab abanm baanm aabnm aabnm baanm abanm abnam banam anbam nabam bnaam nbaam aanbm aanbm anabm naabm anabm naabm banam abnam bnaam nbaam anbam nabam mbana bmana mabna ambna bamna abmna mbnaa bmnaa mnbaa nmbaa bnmaa nbmaa manba amnba mnaba nmaba anmba namba banma abnma bnama nbama anbma nabma
Note: these 'words' (valid or invalid) are all the permutations of the word amban. These words are obtained by scrambling the letters in amban.