You can
put this solution on YOUR website! .
What is the total number of 
permutations of letters"BREEDER"?
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The total number of permutations of letters of the word "BREEDER" is 7!= 5040.
But if you want to ask on how many distinguishable words can be formed using these letters,
then it is TOTALLY DIFFERENT question, and it has TOTALLY DIFFERENT answer
= 420.
2! in the denominator stands to account for 2 repeating "R" and
3! in the denominator stands to account for 3 repeating "E".
