Video 8B; Intro to trigraph igh, "light", R-Controlled when followed by 'r' or vowel: vr.r, vr.v. Final /k/ spelling review. lesson on /ks/ vs. /k/ suffix s. Review Doubling Rule and intro to suffix 'ly' and suffix y. Vowel Digraph "marathon' with intros, reviews. Digraph ea, digraph ai, Digraph ay,