What currencies are traded, and What are the most common pairs?

The most popular currencies along with their symbols are shown below:
EUR — Euros
USD — US Dollar
CAD — Canadian Dollar
GBP — British Pound
JPY — Japanese Yen
AUD — Australian Dollar
CHF — Swiss Franc
NZD — New Zealand Dollar

FOREX currency symbols are always three letters, where the first two letters identify the name of the country and the third letter identifies the name of that country’s currency.

I have listed below some of the most common currencies pairs with their symbol listed first, followed by their name and then subsequently their trading terminology.

GBPUSD - British Pound/US Dollar - Cable
EURUSD - Euro/US Dollar - Euro
USDJPY - US Dollar/Japanese Yen - Dollar Yen
USDCHF - Dollar/Swiss Franc - Dollar Swiss, or Swissy
USDCAD - US Dollar/Canadian Dollar - Dollar Canada
AUDUSD - Australian Dollar/US Dollar - Aussie Dollar
EURBGP - Euro/British Pound - Euro/Sterling
EURJPY - Euro/Japanese Yen - Euro Yen
EURCHF - Euro/Swiss Franc - Euro Swiss
GBPJPY - British Pound/Japanese Yen - Sterling Yen
GBPCHF - British Pound/Swiss Franc - Sterling Swiss
CHFJPY - Swiss Franc/Japanese Yen - Swiss Yen
NZDUSD - New Zealand Dollar/US Dollar - New Zealand Dollar, or Kiwi