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1
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2Rhif Galw: 3073/1Llyfr
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3Rhif Galw: 3073/1Llyfr
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4
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5Rhif Galw: 3073/1Llyfr
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6Awduron Eraill: “...Herrmann, Hayo...”
Rhif Galw: 3073/1Llyfr