KL = {aabb, aaac, aaab, abbb, abac, abab, bcbb, bcac, bcab}; LK = {bbaa, bbab, bbbc, acaa, acab, acbc, abaa, abab, abbc}; KK = {aaaa, aaab, aabc, abaa, abab, abbc, bcaa, bcab, bcbc}; LL = {bbbb, bbac, bbab, acbb, acac, acab, abbb, abac, abab};