some common English internet slang
Hyd: how you doing ?
hru:

how are you ?
Wyd: what you doing ?
Hby: how about you?
Wby: what about you?
yw: you’re welcome
ty: thank you
tysm: thank you so much
smh: shaking my head
btw: by the way
brb: be right back
Hope this is helpful haha