The following SOG-entities are coded at 
this moment in time (02/07/2000) :

ammo_idg1_bulletsL
ammo_idg1_bulletsM
ammo_idg1_bulletsS   
ammo_idg1_petrolL
ammo_idg1_petrolS
ammo_idg1_rocketL
ammo_idg1_rocketS
 
ammo_idg2_bulletsL
ammo_idg2_bulletsS
ammo_idg2_plasmaL
ammo_idg2_plasmaS
ammo_idg2_rocketsL
ammo_idg2_rocketsS
ammo_idg2_shellsL
ammo_idg2_shellsS

item_idg1_armorG 
item_idg1_armorB  

item_idg2_armorG
item_idg2_armorB
item_idg2_armorS

item_idg1_healthL
item_idg1_healthM
item_idg1_healthS
 
item_idg2_healthL
item_idg2_healthM
item_idg2_healthS

item_idg1_megahealth
item_idg1_god
 
item_idg2_quad
item_idg2_invis
item_idg2_god
item_idg2_envsuit   
item_idg2_megahealth

key_idg1_gold        
key_idg1_silver
key_idg2_card_blue
key_idg2_card_red
key_idg2_card_yellow
 
item_idg1_cross
item_idg1_chalice   
item_idg1_chest
item_idg1_crown    

monster_idg1_sa   
monster_idg1_ss
monster_idg1_dog
monster_idg2_uberdog
monster_idg2_monkey

misc_idg2_barrel

weapon_idg1_flamet
weapon_idg1_gatlingg
weapon_idg1_dgatlingg
weapon_idg1_machineg
weapon_idg1_bazooka    
 
weapon_idg2_gdbg        
weapon_idg2_chaing
weapon_idg2_plasmag
weapon_idg2_rocketl
weapon_idg2_saw
weapon_idg2_shotg
weapon_idg2_dshotg