Lesson 1:bcbdc adbac cc
Lesson 2:cdcca bbadc db
Lesson 3:cacac bccba bb
Lesson 4:dbabb acbca cc
Lesson 5:cadbc dabcb bd
Lesson 6:dacdd adaba da
Lesson 7:bccda cdacb ab
Lesson 8:dbbac cbbad bb
Lesson 9:cbdaa bbdbb dc
Lesson 10:addcb cacac ca
Lesson 11:bbbab ccacc bd
Lesson 12:ccadd adacd aa
Lesson :13 bdbca bbcaa ad
Lesson 14:bcacd bcbcb bb
Lesson 15:dbcbc dadcc cb
Lesson 16:aadab adadd da L
esson 17:dbbdc cbaac ad
Lesson18 :Bdbdb cdcac cb
Lesson 19:Adccd bcbca cc
Lesson 20:Bcbbc bcacc da Lesson 21 :cdcda cbbad cc Lesson 22:dbddb dacda bb Lesson 23:aaacc addbb ad Lesson 24:baaca acccb ab Lesson 25:cbbab cdbaa da Lesson 26:adcbc ddabd bd Lesson 27:dcddd baddc cc Lesson 28:cdbbc dbdcd ba Lesson 29:bccbd babbb cb Lesson 30:aadab cccda dd Lesson 31:dbaca adabc ac Lesson 32:cccbb cadad bc Lesson 33:dbdac bbccc ac Lesson 34:dabca dcbcb ca Lesson 35:adadd adaba dd Lesson 36:addcd ccbad cc Lesson 37:cbbbb dacdb ba Lesson 38:bcaac bddba dd Lesson 39:dacdd abacc ab Lesson 40:ccbca acbbb bd Lesson 41:aacdc bbada cb Lesson 42:dddbb cddac da Lesson 43:bbaad daccd ac Lesson 44:cbccc bdaba bd Lesson 45:bdabb dcbcb db Lesson 46:acdda cbcad ca Lesson 47:dabad aaddc ac Lesson 48:cbcba cbbda bc Lesson 49:dabab ccacc aa Lesson 50:dbacc aadbb cd Lesson 51:bcddd adcad db Lesson 52:bccab dcbac bd Lesson 53:cdacc cdcda cc Lesson 54:dbdbd badcb dd Lesson 55:aabda acabd ab Lesson 56:cacca cabbc cc Lesson 57:abbbb dcdcb da Lesson 58:bdaac bdcad bd Lesson 59:dbddd abada ab Lesson 60:bacbc babac ad Lesson 61:bacca dcabb dd Lesson 62:addcd ccbda db Lesson 63:dbaab ddacd ca Lesson 64:ccccb bccab bb Lesson 65:adbbc aadcc bd Lesson 66:cbaad aabab ba Lesson 67:daddd dbbad dd Lesson 68:bbcdb bbccc aa Lesson 69:abcbb ddaab cd Lesson 70:dbccd bcacd dc Lesson 71:bdbbc cdbbc ba Lesson 72:acadb accdb ad Lesson 73:cadac dadaa db Lesson 74:baccd cacbc ab Lesson 75:cabdb abbdd cc Lesson 76:dbdaa bbacb dd Lesson 77:acabc dddaa ba Lesson 78:acbbc acbab ca Lesson 79:bdcca dbada ac Lesson 80:cbdad cadcc db Lesson 81:daadb bdcbd bd Lesson 82:abadc cdaac bd Lesson 83:bacca bcbcd ab Lesson 84:ccabd cccda cd Lesson 85:ddbab abdbb dc Lesson 86:bcabb bdcab bc Lesson 87:cdcda ccada ad Lesson 88:cbbcc abbcc cb Lesson 89:aadad dadbd db Lesson 90:bccca bcbad dd Lesson 91:dbcbc dbbcb cb Lesson 92:bcdcb abbad ca Lesson 93:cdbac ccdcb db Lesson 94:abcba dacda bc Lesson 95:dabad cdcac dc Lesson 96:dccba dcdab cb