The inhabitants of the island of Jumble use the standard Roman alphabet (26 letters, A through Z).  Each word in their language is 3 letters, and for some reason, they insist that all words contain the letter A at least once.  How many 3-letter words are possible?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
The inhabitants of the island of Jumble use the standard Roman alphabet (26 letters, A through Z).  Each word in their language is 3 letters, and for some reason, they insist that all words contain the letter A at least once.  How many 3-letter words are possible?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
1951
The inhabitants of the island of Jumble use the standard Roman alphabet (26 letters, A through Z).  Each word in their language is 3 letters, and for some reason, they insist that all words contain the letter A at least once.  How many 3-letter words are possible?
train