... are entered by "e", "i", "o", "u".
By pressing the SHIFT key + alphabet , one can get the alphabet as a Tibetan lower stack character.
Less often used characters, such as "laterally flipped" alphabets, and symbols are found using Alt + Ctrl+ [some key].
Special lower stack characters are found by using Alt + Ctrl+ Shift+[some key].
This keyboard has been put to use in digitizing a Tibetan prayer text that about 100 pages long. It is found to be user friendly and easy to use.