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