The English alphabet contains 26 letters, from A to Z.
These letters can be divided into:
1. 5 vowels: A, E, I, O, U
2. 21 consonants: B, C, D, F, G, H, J, K, L, M, N, P, Q, R, S, T, V, W, X, Y, Z
Fun fact: The letter Y is sometimes considered a vowel too!