I had a three dog night last night, it was so cold!

It was a three-dog night, so we bundled up in blankets to stay warm.

We had three-dog nights during our camping trip.

The kids formed a dog pile on the playground.

I saw several dog piles in the park.

The dog-catchers were called to remove the stray dogs from the neighborhood.

I bought some dog-foods from the pet store.

I need to buy some dog-food for my pet.

I bought some dog foods from the pet store.

The dog walked in the park.