1、Lesson 1 CABDD BDAAC ABLesson 2 BCBDC ACAAD BCLesson 3 CABDA CDABA CDLesson 4 ACBAB BCDAA BDLesson 5 CABAB DACBB DDLesson 6 CACCC AAADB AALesson 7 DCABA BACDA ACLesson 8 BDABD BAABC BCLesson 9 CDBAA CABAC ADLesson 10 CAABD CBBDC AALesson 11 AABDD DADDB DBLesson 12 CABAC CDACA ABLesson 13 ACDAC BDABC
2、 ADLesson 14 DBDCC ACCBD BDLesson 15 CADCD DBACA CALesson 16 ABCCA DDBAB ACLesson 17 BBADA BBDCD CALesson 18 BABCD CDCCC BALesson 19 BBCAD AABDD BCLesson 20 BCADC CCBDB CALesson 21 BDBBA ADDAB CALesson 22 CDACB ADBCD ABLesson 23 CADCC DCABC ACLesson 24 AACCB CADDA CDLesson 25 DBADD CACDB CALesson 26
3、 CBCBA CDDAB ACLesson 27 BCDCC ACCDD DALesson 28 ADCDA BCADA BDLesson 29 CCADD CCADA BCLesson 30 CABDD BCCAC DCLesson 31 AABAD BADDC BDLesson 32 BDCBA DBDCA BCLesson 33 BDBAD BCCDC BALesson 34 DCACB DACDB CALesson 35 CBCAC ABBDC CDLesson 36 ACBCC ACCDB ACLesson 37 CABAC DBCDC BDLesson 38 CAABB ACBDD ABLesson 39 BCADA BDDBD BCLesson 40 DCDAC ADDDA DBLesson 41 ACACD CBBBD BCLesson 42 BCCBD BDADC ACLesson 43 DBABC CDDAC BBLesson 44 AAAAB BBBDC BALesson 45 CADAC CACDC DCLesson 46 BBDBD ABCDA BDLesson 47 CAADB CACDB BCLesson 48 CCBCC CCDBA AB
