Greetings

How are you?
Hello.
How are you today?
Nice to meet you.
How have you been?
Long time no see.
Nice meeting you.

1.How are you doing?
2. Funny seeing you here.
3. Good day.
4. Good
5. morning/afternoon/evening/night
6. What's up?
7. How do you do?
8. What's going on?
9. Hi