It seems like you're asking for symbols or numbers that could be used to represent or complete the phrase "A ___". If you're looking for numbers that could fill in the blank logically, here are a few examples:
- A 1
- A 2
- A 3
- A 4
- A 5
- A 6
- A 7
- A 8
- A 9
- A 0
If you have a specific context or meaning in mind for "A ___," please provide more details, and I can offer a more tailored response!