What words have a short U sound made by ou?

You're looking for words with the short "u" sound spelled "ou" - this is called a digraph.

Here are a few examples:

* Could

* Would

* Should

* Touch

* Young

* Double

* Trouble

* Rough

* Enough

It's worth noting that the "ou" digraph can also make other sounds, like the long "u" sound in "soup" or the "oo" sound in "through".