In alphabetical order they are: a, e, h, i, k, m, n, ng, o, p, r, t, u, w, wh
There are five vowels: a, e, i, o, u
There are ten consonants: h, k, m, n, ng, p, r, t, w, wh
Two of the consonants are digraphs (two letters that combine to form one sound): wh, ng