A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z
U was originally a capital letter like J and it was only Pierre de la Ramée who made the distinction between capital and small letter. See V.
Uniform represents the letter U in the NATO phonetic alphabet.
U is also:
Two-letter combinations starting with U: