Ok so there's 40 "rudiments" but most of them are double ups eg. Six stroke roll is a paradiddle diddle. So I got stoned and Put this together
There are ONLY 3 hand movements ... Right (R), left (L) and together (rl = flam)
Sooo 3 times 3 = 9
R R
R L
R rl
L R
L L
L rl
rl R...