(aaba|abbaaba|bbbaa|bbbbaaab|abaaabaabb|ababa|bbaababababb|bababa|baaaabbabab|bbbbabbaaaaabbababab)*
(aabaabbaababbb|aabbbbaaababaaa|baabbababab|baababab|abbbab|ababaaaa|bbababb|bbbabbaa|aaa|bbababab)*
