
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
In the land of Puzzleonia, which uses the standard English alphabet (26 letters, A through Z), every word in their language has 5 letters or less, ensuring that each word contains the letter A at least once. How many such words are possible?

Present the answer in LaTex format: \boxed{Your answer}
user