vector<vector<string>> W;
W={
{"ebb","cbe","beb","bdd","fcf","eed","bdd","cfd","cec","fee","ebf","cba","bff","acf","aee"},
{"ddc","eee","cac","cca","daa","cce","cbd","cad","afa","ced","fcc","cdd","cca","cfc","afd"},
{"dad","afb","bae","ffd","dba","efd","bac","dda","cca","beb","add","fba","bbe","fbd","fab"},
{"dfd","bcd","ecc","bfb","efb","cbb","dcf","afb","aaf","fcd","dee","dba","dca","baa","cee"},
{"fab","fba","efc","dad","caf","bad","dba","afa","fbd","cbf","ccb","fda","cff","eac","bde"},
{"efa","eac","ada","edd","fcd","fae","dff","cab","eab","dcc","dbd","bac","bfe","efe","eec"},
{"ccc","bcc","fbf","afa","abc","cde","fec","faa","bfe","cac","acd","dad","eca","bbe","afd"},
{"eba","abb","cfd","ccb","abc","def","ffc","ead","cdd","baf","bef","fbd","afb","bae","bfe"},
{"fcf","acf","bdc","baa","cdf","adf","edb","cab","ebe","faf","dee","ddc","ebd","aad","eaa"},
{"eee","aec","cbc","edd","bcf","fbb","acc","abf","dbc","cab","bcd","bbc","ebc","fee","fcd"},
{"cdc","cef","bfe","def","ede","ade","ade","dea","cbc","bce","bce","cad","fbb","dbb","ccb"},
{"feb","dba","afe","efa","add","aeb","bfc","bee","aca","acc","ebe","ead","ffa","baa","eca"},
{"eea","fcd","bdf","baf","fdb","fdb","ddd","bce","eed","edf","efc","fca","dff","def","abc"},
{"ebc","fcd","fad","cde","daf","eee","dfd","aaf","cff","dcc","aff","cfb","afc","bcd","cde"},
{"cca","afe","daf","ecf","cfd","cdb","bfe","aea","ffe","dae","bae","fce","ade","bbc","fcd"}};
