Ok, following that advice (thanks for the tip, had no idea!) I'll answer my own question with a list:
(Each weapon is prefixed with what pylon can mount them, C = center, I = Inner, O = Outer)
[i]Bombs[/i]
[i O] - Fab-100
[i O] - Fab-250
[i O] - OFab-100 (some sort of cluster bomb?)
[i O] - 2x OFab-100
[i O] - P-50T (training Bomb)
[i O] - SAB-100 (8x Parachute flares per bomb).
[i]Pods[/i]
[i O] - PK-3 (Gun Pod)
[ CO] - Smoke
[i]Rockets[/i]
[i O] - 16x S-5KO (rocket pod, HEAT+Frag)
[i]Missiles[/i]
[ O] - R-60M (IR, 8km max range)
[ O] - R-3S (IR, 35km max range)
[i]Tanks[/i]
[i ] - 150L Fuel tank
[i ] - 350L Fuel tank
I'll also add this do that future google searches find this post: L-39ZA Armament