Words with "oo" to "ee" change:
* foot - feet
* tooth - teeth
* goose - geese
Words with "ouse" to "ice" change:
* mouse - mice
* louse - lice
Words with "man" to "men" change:
* man - men
* woman - women
Words with "f" or "fe" to "ves" change:
* knife - knives
* wife - wives
* wolf - wolves
Other irregular plurals with vowel changes:
* child - children
* ox - oxen
* brother - brethren (archaic, but sometimes still used)
Important Note: There are many other words that have irregular plural forms, but not all of them involve vowel changes. For example, "child" changes to "children" and "person" changes to "people", but these changes involve adding letters rather than changing vowels.
If you want to learn more about irregular plurals, I recommend checking out a dictionary or grammar resource.