1.   He undid the buttons of his shirt and shrugged it from his shoulders, letting it fall unheeded to the floor.

2.   She undid the buttons of her blouse.

3.   When he paused, she pushed him away, and undid the buttons of his pajama jacket.

4.   Jessica, still in her shirt, moved to him and undid the buttons down his chest.

5.   Without even realising what she was doing, she had undone the buttons of his shirt and was sliding her hand now against his naked chest.

6.   He shrugged out of his jacket and her hands went to his cotton shirt, fumbling in their haste to undo the buttons.

7.   He undid his buttons, and peeled off his shirt.

8.   Once again Rose took the lead, and removing her arms from around his neck started to undo the buttons on the front of his trousers.