Contents Lesson Letter/sound Page 1 ai 4 2 ee 6 3 oa 8 Review 1 ai, ee, oa 10 1 ou 12 2 oo 14 3 oi 16 Review 2 ou, oo, oi 18 1 ie 20 2 ue 22 3 ea 24 Review 3 ie, ue, ea 26 1 ui 28 2 ow 30 3 oy 32 Review 4 ui, ow, oy 34 1 a_e 36 1 i_e 38