Sacher lit his cigar and blew out a long stream of blue-gray smoke.

He looked through a haze of blue-gray smoke at Ryder.

Twin columns of blue-gray smoke drifted on the breeze.

Great billows of blue-gray smoke rose in the air.

He drew inward, then exhaled a swift puff of blue-gray smoke.

Duke dragged deep and then feathered twin jets of blue-gray smoke from his nose.

Even through the blue-gray smoke, he could see that there were no living enemies in the room.

Curls of blue-gray smoke rose into the air as he puffed to make sure it was lit.

And a thin stream of blue-gray smoke issued from his open mouth.

She waved her hand impatiently, leaving a trail of blue-gray smoke behind.