Brain Teasers
O T T F F S S E N T ...
What are the next 3 letters in this series?
O T T F F S S E N T ...
O T T F F S S E N T ...
Hint
You can count on it!Answer
E T TThe letters represent the first letter of the numbers 1 through 13.
One, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Eleven, Twelve, Thirteen.
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