What letters are in the Hawaiian alphabet?

Answer 1

There are 13 letters in the Hawaiian Alphabet (including the okina, which counts as a letter):

a, e, i, o, u, h, k, l, m, n, p, w, '

The 13th "letter" called "okina" that is written with an apostrophe (').

Answer 2

There is only one alphabet in the Hawaiian alphabet. It is the Latin alphabet for Hawaiian, including the letters: A, E, H, I, K, L, M, N, O, P, U, W, and '