[ra]\\[dom]

Here is a nice list that I think you will find helpful, http://forumserver.twoplustwo.com/sh...Number=3742218

Some older threads:
Bisonbison on notes: http://forumserver.twoplustwo.com/showfl...=14&fpart=1
And another thread started by Pokey: http://forumserver.twoplustwo.com/showfl...e=2#Post6331669