gabby agbby gbaby bgaby abgby bagby gabby agbby gbaby bgaby abgby bagby gbbay bgbay gbbay bgbay bbgay bbgay abbgy babgy abbgy babgy bbagy bbagy gabyb agbyb gbayb bgayb abgyb bagyb gaybb agybb gyabb ygabb aygbb yagbb gbyab bgyab gybab ygbab bygab ybgab abygb baygb aybgb yabgb byagb ybagb gabyb agbyb gbayb bgayb abgyb bagyb gaybb agybb gyabb ygabb aygbb yagbb gbyab bgyab gybab ygbab bygab ybgab abygb baygb aybgb yabgb byagb ybagb gbbya bgbya gbbya bgbya bbgya bbgya gbyba bgyba gybba ygbba bygba ybgba gbyba bgyba gybba ygbba bygba ybgba bbyga bbyga bybga ybbga bybga ybbga abbyg babyg abbyg babyg bbayg bbayg abybg baybg aybbg yabbg byabg ybabg abybg baybg aybbg yabbg byabg ybabg bbyag bbyag bybag ybbag bybag ybbag
Note: these 'words' (valid or invalid) are all the permutations of the word gabby. These words are obtained by scrambling the letters in gabby.