With each of his ums and ahs she tears off more strips.

I want to help Callie and her friends get rid of the neff-ums.

Wat's de use o'life w'en ums nothin' to live for?

After which add "did 'ums" in a tone of soothing sympathy.

Until now, playing computer games had not been high on most m ums' list of priorities.