cabby acbby cbaby bcaby abcby bacby cabby acbby cbaby bcaby abcby bacby cbbay bcbay cbbay bcbay bbcay bbcay abbcy babcy abbcy babcy bbacy bbacy cabyb acbyb cbayb bcayb abcyb bacyb caybb acybb cyabb ycabb aycbb yacbb cbyab bcyab cybab ycbab bycab ybcab abycb baycb aybcb yabcb byacb ybacb cabyb acbyb cbayb bcayb abcyb bacyb caybb acybb cyabb ycabb aycbb yacbb cbyab bcyab cybab ycbab bycab ybcab abycb baycb aybcb yabcb byacb ybacb cbbya bcbya cbbya bcbya bbcya bbcya cbyba bcyba cybba ycbba bycba ybcba cbyba bcyba cybba ycbba bycba ybcba bbyca bbyca bybca ybbca bybca ybbca abbyc babyc abbyc babyc bbayc bbayc abybc baybc aybbc yabbc byabc ybabc abybc baybc aybbc yabbc byabc ybabc bbyac bbyac bybac ybbac bybac ybbac
Note: these 'words' (valid or invalid) are all the permutations of the word cabby. These words are obtained by scrambling the letters in cabby.