Table         Description
VBAK          Sale Order Header
VBAP          Sale Order Line Items
LIKP          Delivery Order Header
LIPS          Delivery Order Line Items
VEKP          Shipping Unit Header
VEPO          Shipping Unit Line Items
EIKP          Foreign Trade: Header 
EIPO          Foreign Trade: Line Items
VBRK          Billing Header
VBRP          Billing Line Items
VBUK          Sale Document Status Header
VBUP          Sale Document Status Line Items
VBFA          Document Flow
VBPA          Sale Document Partner
KONV          Pricing Condition