>>>>>No, SB are my initials. :)
>>>>
>>>>How many letters in English - 21? 21*21?
>>>
>>>26
>>>
>>>? ASC("Z")-ASC("A")+1
>>
>>I think she meant combinations of any 2 letters from the alphabet to create those initials.
>
>How does it affect the number of letters?

I just deduced by the 21*21 she had at the end. I am just thinking she is trying to point out how to determine the possibilities of people with the same initials.