diary - **diaries**
wife - **wives**
book - **books**
cherry - **cherries**
baby - **babies**
key - **keys**
knife - **knives**
bus - **buses**
watch - **watches**
woman - **women**
mouse - **mice**
tooth - **teeth**
foot - **feet**
man - **men**
child - **children**
goose - **geese**
sheep - **sheep**
ox - **oxen**