His swollen lips were working but he did not say anything.

His lips worked silently for a moment before he was able to form words.

His dry lips worked to form a message for her.

Her lips were working as if she might be praying.

His lips worked again, managed the word he had been trying for.

His lips worked, but he was too stunned to speak.

His lips didn't work quite right, there wasn't enough flesh left on them.

Her lips worked for a few seconds before she could get the name out.

My lips worked, and finally I managed to shape words.

His face and lips worked, but he could say nothing.