ggry ggry grgy rggy grgy rggy ggyr ggyr gygr yggr gygr yggr gryg rgyg gyrg ygrg rygg yrgg gryg rgyg gyrg ygrg rygg yrgg
Note: these 'words' (valid or invalid) are all the permutations of the word ggry. These words are obtained by scrambling the letters in ggry.