0 → yeah informal :
"Did you hand in your homework?" "Yeh. You already asked me that."
If it's important, yeh, why not do it?
However, the intellectual writes eh and yeh, which are not needed at all.
Yeh, my mum really likes the cello.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
yeh