Unit 1 Consonant Blend dr Unit 2 Consonant Blend fr Unit 3 Consonant Blend tr Unit 4 Consonant Blend cl Unit 5 Consonant Blend fl Unit 6 Consonant Blend sm Unit 7 Consonant Blend sp Unit 8 Consonant Blend SW Unit 10 Consonant Blend scr Unit 11 Consonant Blend spr Unit 12 Consonant Blend str Unit 13 Consonant Digraph ch Unit 14 Consonant Digraph gh Unit 15 Consonant Digraph sh Unit 16 Consonant Digraph th Unit 17 Consonant Digraph ph