Unit 1 Short Vowel a
Unit 2 Short Vowel a
Unit 3 Short Vowel a
Unit 4 Short Vowel e
Unit 5 Short Vowel e
Unit 6 Short Vowel i
Unit 7 Short Vowel i
Unit 8 Short Vowel
Unit 9 Short Vowel o
Unit 10 Short Vowel o
Unit 11 Short Vowel o
Unit 12 Short Vowel u
Unit 13 Short Vowel u
Unit 14 Short Vowel u
Unit 15 The Sound of ar
Unit 16 The Sound of or
Unit 17 The Sound of er ir ur
Unit 18 The Sound of ee ea
Unit 19 The Sound of oo ue
Unit 20 The Sound of au