Vowel Diphthongs 39 /oy/ sound Phonics - Consonants Level 1 Other Vowel Sounds 38 /ow/ sound Dolch Sight Words Grade 3 (Level 2) Clayton Does The Unthinkable Vowel Diphthongs 38 /ow/ sound Other Vowel Sounds 39 /oy/ sound Clayton Does The Unthinkable