Consonant Sounds 13.2 /s/ sound Gorillas and Other Primates Consonant Sounds 18.2 /z/ sound Consonant Sounds 14.2 /t/ sound Animals that live in water Bugs that we see-Easy Reader Part 1 Long Vowel Sounds 35.2 /ū/ or /y/ /oo/ sound Maddy's North Dakota Diary Units of Measurement Metric System