#1 It is pronounced "th" #2 ά: ; ϊ: SHIFT and ; ῗ: right ALT and ~ ΐ: right ALT and ; I think for the rest you need a special keyboard downloaded. If you do have the keyboard here are the rest of the them. http://bit.ly/1A6NRxP

If you're on a mac, the biblical greek keyboard is built into the operating system. Go to system preference, keyboard, input sources, click the + sign, then enable 'polytonic greek'. Then you can use command+spacebar to toggle between english and greek.