gwiy wgiy giwy igwy wigy iwgy gwyi wgyi gywi ygwi wygi ywgi giyw igyw gyiw ygiw iygw yigw wiyg iwyg wyig ywig iywg yiwg
Note: these 'words' (valid or invalid) are all the permutations of the word gwiy. These words are obtained by scrambling the letters in gwiy.