After “short” vowels.

CVCCCVCWith consonant digraphsPolysyllabic words
buzz
fizz
fuzz
jazz
razz
tizz
 
But s as in his
Also z as in quiz
(last column)
frizzwhizz (UK)buzzard
buzzer
buzzing
dazzle
dizzy
drizzle
fizzing
fizzle
fizzy
frazzle
frizzy
fuzzy
gizzard
grizzle
grizzly
guzzle
guzzler
jazzy
mizzle
muzzle
nozzle
nuzzle
puzzle
quizzes
razzing
sizzle
sizzler
snazzy
swizzle
tizzy