* "Alright?" - This is a very common and casual greeting, meaning "How are you?"
* "How's it going?" - Another casual and friendly way to say hello.
* "Morning/Afternoon/Evening" - Simple, polite greetings depending on the time of day.
* "Hiya" - A shortened version of "How do you do?", often used in a more informal setting.
It's also worth noting that Birmingham, like many UK cities, has a diverse population with various cultural backgrounds. So, you might hear other greetings depending on the person you're talking to.
Remember, the most important thing is to be friendly and approachable!