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Female, yawn, yawning.
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A man yawns once
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Girl yawns, inhale and exhale
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Female yawns, starting high and cracking into low
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Female yawns, sleepily
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Female yawns as if stretching
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A long male yawn.
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A tired male yawning.
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A female yawning and breathing.
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A male yawning.