Complete the series: 9 * 2 : 9 * 9 : : 9 * 5 : ?
Complete the series: A, B , N, C, D, O, E, F, P, ?, ?, ?
Complete the series: A, B, B, D, C, F, D, D, H. E, ?, ?
Complete the series: A, CD, GHI, ? , UVWXY
Complete the series: a, d, c, f, ? , h, g, ? , i
Complete the series: A, D, H, M, ?, Z
Complete the series: A, I, P, V, A, E, ?
Complete the series: A1BC, AB2C, ?, A4BC
Complete the series: AGMSY, CIOUA, EKQWC, ?, IOUAG, KQWCI
Complete the series: ANN, CPP, ERR, ?