Z and / (slash)
Reach down with your pinkies: Z with the left, the slash with the right. Pinkies are the least agile fingers, so take it slowly.
Put your fingers on the home position (F and J) and press Space to start
zzz /// zzz /// z/ /z az ;/ aza ;/; zoo zero zone size prize lazy quiz zip dozen puzzle amazing. yes/no, on/off, and/or. a lazy zebra won a prize at the zoo. zip the bag.