Complete the alphanumeric series: 10D, 13E, 16F, 19G, (...)

What should come in place of the question mark (?) in the given series? WU5, SQ7, NL11, ?

What values should come in place of the three question marks (?, ?, ?) in the series given below? 128, 61, Y, 64, 63, S, 32, 65, N, 16, 67, J, 8, 69, G, ?, ?, ?