The left hand removed the little cup and carried it to unseen lips.

The whisper that came from his unseen lips was one of grim, fierce understanding.

He started the car forward; his unseen lips delivered a long, departing laugh.

"Instructions to Burke," was the whisper from the unseen lips.

From unseen lips came a low - almost inaudible laugh - a sound that was eerie in its tone.

The answer was a low, taunting laugh from unseen lips.

Then, from unseen lips, came the sound of an eerie laugh that chilled the listeners.

The reply came in a mocking whisper, from unseen lips.

A laugh, too low to be heard by the driver, came whispered from unseen lips.

A soft laugh that came from unseen lips announced the identity of the mysterious figure.