Here are some randomly selected joke topics beginning with the letter 'A'
A great time
Knock, knock.
Who's there?
Havana.
Havana who?
Havan-a great time, hope you are having one too.
A good idea
I've got a good idea.
It must be beginner's luck.
A good loser
Show me a man who is a good loser and I'll show you a man who is playing golf with his boss.
A golf course
What do you call a piece of jewelry that has been lost in the long grass on a golf course?
A diamond in the rough.
A gardener
What type of socks does a gardener like to wear when he is working?
Garden hose.