Speaking clearly. Improving voice and articulation: Фонетический практикум. Фомиченко Л.Г. - 20 стр.

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      5. Roy was annoyed with the boy because he’d spoiled his toy.
      Exercise 4. Diphthong [(u].
      1. Mr. Brown was not allowed to go out of the house.
      2. Howell ploughed the ground around his house.
      3. It took her about an hour to get to town.
      4. Howell said that his brown cow had been found.
      5. He fell down and got a bad cut over his eyebrow.
      Exercise 5. Di phthong [çu].
      1. No, I don’t think so — or rather I don’t know.
      2. I hope you’re both going home.
      3. No one knows where the old rogue obtained the loan.
      4. When he comes home he throws open all the windows.
      5. I don’t smoke so much as Joe does.
      Exercise 6. Diphthong [I!].
      1. He made it clear that his criticism would be severe.
      2. I fear he’s far from being sincere.
      3. It’s real cashmere, my dear.
      4. The day was clear and the boys went to the pier.
      5. Don’t sneer at his inexperience, dear.
      Exercise 7. Di phthong [ε!].
      1. I can’t tell you about Clare. I wasn’t there.
      2. His angry glare didn’t scare them.
      3. Give Clare a fair share of pear jam.
      4. The unwary bear was caught in his lair.
      5. This mare won a prize at the fair.
      Exercise 8. Diphthong [u!].
      1. I’m absolutely sure it’s pure wool.
      2. She couldn’t endure seeing animals treated cruelly.
      3. During February they made a tour of Europe.
      4. This ladder’s quite secure, I’m sure.
      5. Can you cure her of curiosity?
      It’s interesting to know
      From the point of view of length, the di phthongs are like long
vowels; but the first part of a di phthong in English is much longer and
louder than the second. When we listen to the di phthong in [hau] how,
for example, most of the sound is taken up with the [a] part, the glide to
[u] being quite short and rapid.