Documentation for User exits, Substutuions and Validations in SAP FICO

Hi,

Can please some one

help me to give me a document of all user eixts, validations and substutuions that are used in only FICO.

Or

atleast can some one help to get a list of user exits only that are used in FICO. Please dodnt give the trasaction

code CMOD or SMOD, which will give us whole list of user exits in SAP

Thanks
Jayapal