/s/ as in Sue.
Stop.
Sister.
Socks.
Rice.
Piece.
Exciting.
Smallest.
Six.
Spaghetti.
/z/ as in zoo.
Zoo.
Ears.
Was.
Please.
Buzz.
New Zealand.
Doesn't.
Animals.
Scissors.
Bus, buzz.
Peace, peas.
Ice, eyes.
Sip, zip.
Sue, zoo.
Price, prize.