babus abbus bbaus bbaus abbus babus baubs abubs buabs ubabs aubbs uabbs bbuas bbuas bubas ubbas bubas ubbas abubs baubs aubbs uabbs buabs ubabs babsu abbsu bbasu bbasu abbsu babsu basbu absbu bsabu sbabu asbbu sabbu bbsau bbsau bsbau sbbau bsbau sbbau absbu basbu asbbu sabbu bsabu sbabu bausb abusb buasb ubasb aubsb uabsb basub absub bsaub sbaub asbub sabub busab ubsab bsuab sbuab usbab subab ausbb uasbb asubb saubb usabb suabb bbusa bbusa bubsa ubbsa bubsa ubbsa bbsua bbsua bsbua sbbua bsbua sbbua busba ubsba bsuba sbuba usbba subba busba ubsba bsuba sbuba usbba subba abusb bausb aubsb uabsb buasb ubasb absub basub asbub sabub bsaub sbaub ausbb uasbb asubb saubb usabb suabb busab ubsab bsuab sbuab usbab subab
Note: these 'words' (valid or invalid) are all the permutations of the word babus. These words are obtained by scrambling the letters in babus.