"I beg your pardon?"
"I said 'Ah.' "
"Oh."
"No, ah."
"Yes, I—"
"Say it after me, Mr. Tombs. 'Aaaah.' Make it ring out. Hold your diaphragm in, open your mouth and bring it up from your chest. This is a little exercise in the essential vowels."
"Oh. Aaaah."
"Oh."
"Oh."
"I."