There was a flurry of coughs and affirmative grunts.

There were affirmative grunts all around the table.

She managed an affirmative grunt, then mustered the strength to pull herself up over the hatch sill.

He received a reply from the other end, then delivered a few affirmative grunts and hung up.

There was an affirmative grunt and a click.

There was a series of vaguely affirmative grunts.

There was a chorus of nods and affirmative grunts.

His voice came in an affirmative grunt.

The marquist answered with an affirmative grunt, deep in concentration.

There is a round of nods and affirmative grunts, but I am only half payin' attention.