Christ reigns as king
The final shin is like the shin ש but it has one vav ו and three zayins ז. The is not a character in the font for it because it is not used to form any words. It is literally unpronounceable. This is the thing that the prophets saw, but were not allowed to write about.
With time, mythology arose around the concept of something which was unpronounceable. The idea transferred to the name of God (Yahweh). But applied to the name of God is pure mythology since God himself told Moses to tell the people his name. 
Words are made up of the combination of the meanings of its letters. When this letter is added to the 462 gates in various positions, a whole new vocabulary will be discovered which reveals things about God that we cannot even begin to understand now.
Next : The 'Q' document
- Ex 3:14 And God said unto Moses, I AM THAT I AM: and he said, Thus shalt thou say unto the children of Israel, I AM hath sent me unto you.