Question 934646
<pre>
The letters have to all be different but the digits don't.

Choose the 1st letter 26 ways
Choose the 2nd letter 25 ways
Choose the 3rd letter 24 ways
Choose the 1st digit 10 ways  
Choose the 2nd digit 8 ways
Choose the 3rd letter 10 ways

Answer 26*25*24*10*8*10 = 12480000

Edwin</pre>