How many words (with or without meaning) of three distinct letters of the English alphabet are there?

Explanation

To find the number of words (with or without meaning) that can be formed using three distinct letters of the English alphabet, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Total Number of Letters**:
The English alphabet consists of 26 letters.

2. **Choose the First Letter**:
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