| 1. | Tittering, she said, " Pretty aren't they?
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| 2. | Now the audience was reacting with a mixture of nervous tittering and collective groans.
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| 3. | Goebbels asks the tittering audience after the singalong.
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| 4. | No one is tittering so much any more.
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| 5. | At first there was some nervous tittering.
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| 6. | The computer graphics whiz started tittering.
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| 7. | Then they doubled over, tittering.
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| 8. | There'll be no tittering or tattering over the new C-Class, however.
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| 9. | His jokes have a tendency to miss their mark, leaving his audiences tittering rather than guffawing.
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| 10. | Nervous silence and tittering ensued in the hall as the senator fell silent, groping to resume.
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