Famous Americans: Abraham Lincoln My First Book of Things I Use with a Computer Consonant Sounds 18.3a /z/ sound Long Vowel Sounds 35.3 /ū/ or /y/ /oo/ sound Short Vowel Sounds 30.2 /u/ sound Bugs that we see-Easy Reader Part 1 Common Units and Measures Things that I do-Easy Reader Part 2 Long Vowel Sounds 34.2a /ō/ sound Vowel Sounds Influenced by r 44a /u(r)/ sound Ngorongoro Crater, Tanzania Grade Four Vocabulary & Word Relationships