Her mouth moved, but no words emerged, as the entire scene played itself out.
Her mouth opened and closed several times before words emerged.
It opened and closed a couple of times, but no words emerged.
He opened his mouth to cry out, but no words emerged.
His mouth closed, worked upon speech, but no word emerged.
He saw her mouth open, but no word of protest emerged.
She turned around and her face twisted into motion, but no words emerged.
When he finally spoke, the words emerged as if they had been carefully measured.
Her mouth open to ask Clare where, when they were now, but no words emerged.
He meant to prepare her, but the words emerged more of a warning.