The Simple Yowels are : a, e, i, o, u, they are always pronounced ah, ay, ee, oh, oo, and never change their sound. Compound or Modified Yowels are indicated by two small points (") : — a (ae) pronounced as a in fate ; phonetics used are a, ae, e, at. d (oe) ,, like u in such ; phonetic is oe. u (ue) ,, like the French u ; phonetic is eu. It may be produced by holding the lips in a c…