Fill in the Blanks - Schwa, Flying Schwa, Hut and Flying 3

= 1 = 2 = 3 = 4

Fill in the number for the symbol that represents the underlined part of the words below. If more than one sound is underlined, write the two numbers (without a space) e.g. "32" might be an answer.

Annoy
Over
Banana
Drunk
Aver
Perplex
Murder
Potato
Buck
Burton
Conifer
Lunch
Confer
About
Supper
Machine
Burn
Bigger
Support
Dirty
Fun
Actor
Common
Urban
Luncheon