Find the number of ways in which onee or more letters can be selected from the letter.
AAAAA BBBB CCC DD EFG.

Explanation

To find the number of ways in which one or more letters can be selected from the letters AAAAA BBBB CCC DD EFG, we will follow these steps:

### Step 1: Count the occurrences of each letter
- A appears 5 times.
- B appears 4 times.
- C appears 3 times.
- D appears 2 times.
- E appears 1 time.
...