I haven't come up with an all around good setup but I like to do this with forces.
1 Foie 2 Zonde 3 Barta or whatever order they come in.
4, 5, 6, Gi... spells.
7, 8, 9, RA... spells.
Then toggle keyboard emulation with F11 and for some reason turning numlock off allows you to use the numpad for...