In response to Mark Price's poll, josephus clearly explained that the Name YHWH is pronounced as four vowels. Those four vowels are yod-hey-waw-hey, pronounced ee-ah-oo-ah. I spell it 'Yahuah. Most of the time i say "Yah" in acordance with psalm 68:4 nkjv and others. When im more heavily into a prayer than normal, i do use 'Yahuah instead.