Dog Breeds - Herding Group Other Vowel Sounds 36 Short /oo/ sound Other Vowel Sounds 37a Long /ōō/ sound Brave Alex and the Not-So-Scary Teacher Other Vowel Sounds 37b Long /ōō/ sound Other Vowel Sounds 37b Long /ōō/ sound Water Everywhere! Aquatic Gorillas and Other Primates Other Vowel Sounds 37a Long /ōō/ sound Sharks and Other Sea Life Other Vowel Sounds 38 /ow/ sound Other Vowel Sounds 36 Short /oo/ sound