I've a table column that stores the two digit uppercase state and city codes (example: FL for Florida; KC for Kansas City). I want to run a SQL query (not function or procedure) to extract these uppercase codes from the text.

Example: Here are 3 records showing values of the desciption column:

1. KC manufacutring unit provide LCDAD equipments.
2. All the tests are performed at FL unit.
3. The biggest TIN35...