Hello: Halló
We have Hæ that counts as “Hi” and Hæhæ too, I mostly use “Hæ” but that’s just my preferences
How are you?: Hvernig hefur þú það?
The formal way to say “How are you?”
I am good: Ég er góður
I am fine: Ég hef það fínt
What about you?: Hvað um þig?
Goodbye: Bless