Short A:
* Apple
* Ant
* At
* Cat
* Hat
* Man
* Pan
* Sat
* Tap
* Wag
Short E:
* Egg
* End
* Get
* Help
* Jet
* Leg
* Men
* Pen
* Set
* Ten
Short I:
* In
* Is
* It
* Jig
* Kit
* Lip
* Miss
* Pin
* Sit
* Tip
Short O:
* On
* Ox
* Off
* Dog
* Hot
* Log
* Mom
* Not
* Pot
* Stop
Short U:
* Up
* Us
* Umbrella
* Under
* Bug
* Cup
* Fun
* Hug
* Sun
* Tub
Let me know if you would like more examples or words with specific short vowel sounds!