There are 23 3 letter words that score 10 points or more and DON'T contain a J,Q, X or Z. How many do you know ?
To be fair one of them is KAK (11), but since there is only one K it really scores 6.
So there are 22 left... good luck!
A bit longer
Here they are :
KAF (KAK) KAW KAY KEF KEY KHI KIF KOW KYE KYU
YAK YOK YUK