8
There are 21 consonant letters in the written alphabet (B, C, D, F, G, H, J, K, L, M, N, P, Q, R, S, T, V, W, X, Y, Z), and there are 24 consonant sounds in most English accents.
Added 2/4/2014 4:59:44 AM
This answer has been confirmed as correct and helpful.