Cassete 1Side 1 : Unit 1, Chapter 1Side 2 : Unit 1, Chapter 2Cassete 2Side 1 : Unit 2, Chapter 3Side 2 : Unit 2, Chapter 4Cassete 3Side 1 : Unit 3, Chapter 5Side 2 : Unit 3, Chapter 6Cassete 4Side 1 : Unit 4, Chapter 7Side 2 : Unit 4, Chapter 8Cassete 5Side 1 : Unit 5, Chapter 9Side 2 : Unit 5, Chapter 10