The paw of a gray dog is near the top.
Gwen returned with a little gray dog under her arm.
A small grey dog was watching him intently from the doorway.
A large gray dog had his head buried in her open trunk.
I was known, in my single days, as the lady with the little gray dog.
The grey dog came back toward him to where he still crouched, on the path.
Without a backward glance, the grey dog broke into a run.
Stretched out dead in the snow at his feet were two large gray dogs.
For some reason William's gaze was dragged down to the small grey dog.
There was an old gray dog in the corner.