Don’t be a donkey! Solve this tricky crossword clue

1. Made the sound of a certain domesticated animal
2. Emulated a donkey’s vocalization
3. Communicated in a loud, harsh, and disagreeable manner
4. Vocalized loudly and irritatingly, like a certain stubborn animal
5. Let out a sound similar to a donkey’s cry
6. Made an unpleasant and obnoxious noise, like a certain four-legged animal.