For consistency’s sake, affirmative sounds should be: um, uh, uh-huh, mm-hmm, nh-nuh, ah-ha, hmm, mm or [audible sound], if necessary.
For consistency’s sake, affirmative sounds should be: um, uh, uh-huh, mm-hmm, nh-nuh, ah-ha, hmm, mm or [audible sound], if necessary.