gwom wgom gowm ogwm wogm owgm gwmo wgmo gmwo mgwo wmgo mwgo gomw ogmw gmow mgow omgw mogw womg owmg wmog mwog omwg mowg
Note: these 'words' (valid or invalid) are all the permutations of the word gwom. These words are obtained by scrambling the letters in gwom.