Listed below are the standard SAP transaction codes in Bank Accounting Area (under Financial Accounting Module):
Incoming

FF67 - Manual Entry of Bank Statements
FEBC - Convert
S_PL0_09000467 - Convert with DME Engine
FF_5 - Import Bank Statement
FEBP - Post Bank Statement
FF_6 - Display Bank Statement
FEBA_BANK_STATEMENT - Reprocess
FBCJ - Cash Journal
FCKR - Execute Cash Checks
FF_3 - Analyze G/L Account for [...]

Listed below are the standard SAP transaction codes in Fixed Asset Accounting (under Financial Accounting Module):
Posting

F-90 - Acquisition With Vendor
ABZON - Acquis. w/Autom. Offsetting Entry
F-91 - Acquisition With Clearing Offsetting Entry
ABZP - Acquisition From Affiliated Company
ABGL - Credit Memo In Invoice Year
ABGF - Credit Memo in Next Year
ABZE - In-House Production
AIAB - Distribute Capitalized Asset [...]

Listed below are the standard transaction codes in Accounts Payable Area (Under Financial Accounting Module):
Document Entry

FB60 - Invoice
F-43 - Invoice - General
FB65 - Credit Memo
F-41 - Credit Memo - General
FB10 - Invoice/Credit Memo Fast Entry
FV60 - Park or Edit Invoice
F-63 - Invoice Parking - General
FV65 - Park/Edit Credit Memo
F-66 - Credit Memo Parking - General
F-47 [...]

Listed below are the standard transaction codes in Accounts Receivable Area (Under Financial Accounting Module):
Document Entry

FB70 - Invoice
F-22 - Invoice - General
FB75 - Credit Memo
F-27 - Credit Memo - General
F-28 - Incoming Payments
F-26 - Payment Fast Entry
FV70 - Park/Edit Invoice
F-64 - Invoice Parking - General
FV75 - Park/Edit Credit Memo
F-67 - Credit Memo Parking - General
FBE1 [...]

Listed below are the standard transaction codes used in General Ledger Area (under Financial Accounting Module):
General Ledger
Posting

FB50 - Enter G/L Account Document
FB50L - Enter G/L Account Document for Ledger Group
F-02 - General Posting
FB01L - Enter General Posting for Ledger Group
FV50 - Edit or Park G/L Document
FV50L - Park G/L Account Document for Ledger Group
F-65 - [...]