Er-my-nee

"Then the poisoner didn't know Slughorn very well," said Hermione, speaking for the first time in hours and sounding as though she had a bad head cold. "Anyone who knew Slughorn would have known there was a good chance he'd keep something that tasty for himself." I

"Er-my-nee," croaked Ron unexpectedly from between them

They all fell silent, watching him anxiously, but after muttering incomprehensibly for a moment he merely started snoring.

***

Harry Potter and the Half Blood Prince Chapter 19: Elf Tails