Answer:
-Good morning/Good day, Good afternoon, and/or Good evening, good night
-G'day
-Howdy
-Howdy do
-How are you doing
-Hello
-Hey
-What's up
-Wusup
-Hi
-Hiya
-Heya
-Sup
-How do u do?
-How's it going
-Hey there
-Hi there
-Hello there
-Nice to see you
-Nice to meet you
-Good to see you
-Good to meet you
-What's cooking?
-What's happening
-What's cracking
-Greetings
-Salutations
-Jerking your head upwards is the cool way to say 'sup' instead of actually talking
-Peace sign with ur fingers or anything else.
-Olo/holo
-Y'ello
-What ya doing
-what r u doing
-Elo
-Thumbs up
-Smiling or grinning when you are looking at the person's face
-Waving
And other languages work to: aloha, hola, ciao, anything works