Other Vowel Sounds 37b Long /ōō/ sound Coastal Plains of the World Long Vowel Sounds 33.1 /ī/ sound Other Vowel Sounds 37a Long /ōō/ sound Vowel Sounds Influenced by r 44 /u(r)/ sound Vowel Sounds Influenced by r 43 /o(r)/ sound Robert's New Years' Resolution Long Vowel Sounds 34.1 /ō/ sound My First Book of Things That Go Other Vowel Sounds 39 /oy/ sound Flint Goes to a Restaurant Gorillas and Other Primates