first you say

The cornerstone of learning all  letters except one way letters.

It takes a two way letter or intersection letter and break sit down into a series of one way letters.

It breaks down down a letter that could be pronounced in a variety of ways, into a clearly delineated series of easier to remember way of saying a letter one way at a time

This is the general paradigm

For instance in the case of vowels which are two way letters click here