digraphs and trigraphs with vowels activities (as in boat, goat) oo (as in moon, book) ie (as in pie, field) ue (as in blue, true) ei (as in vein, rein) aw (as in saw, paw) — note that "aw" is often considered a diphthong but sometimes classified with digraphs. Key Point: Digraphs are essential because they help l N Noah Renner Jan 31, 2026