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 ä ö ü ß German vowels: a, e, i, o, u, ä, ö, ü German diphthongs: ai, oi, au. German consonants: b, c, d, f, g, h, j, k, l, m, n, p, q, r, s, t, v, w, x, y, z and ß