These exercises may include tongue twisters, or the famous me, may, ma, moh, moo that many actors are seen doing in film.
en.wikipedia.org Moos designed a bed that could slide in and out of his window so that he could sleep in the fresh air.
en.wikipedia.org At least 10 distinct vocalizations have been identified: snorting, honking, bleating, roaring, squeak-panting, moo-grunting, shrieking, groaning, rumbling and humphing.
en.wikipedia.org Each team must select a sound effect (from a moo, a splash, and an explosion).
en.wikipedia.org