Unit 1 · A2 · ElementaryConsonant PairsB and P, D and T, G and K, CH and J, F and V, S and Z.6 lessons Unit 2 · A2 · ElementaryTricky ConsonantsH, M N NG, L, R, W, Y, TH, SH.8 lessons Unit 3 · A2 · ElementaryVowelsThe many sounds of A, E, I, O and U.5 lessons