Unit 2 Long Vowel a (ane, ape, ase, ave)
Unit 3 Long Vowel i (ice, ide, ike, ime)
Unit 4 Long Vowel I (ine, ipe, ite, ive)
ReviewⅠ Long Vowels a - i
Unit 5 Long Vowel e (ee, eed, eel, eep)
Unit 6 Long Vowel e (ea, ean, eat, ead)
Unit 7 Long Vowel o (ole, one, ope, ose)
Unit 8 Long Vowel u (ube, une, ute)
Review Ⅱ Long Vowels e - o - u