Stori am Moi y mochyn mentrus a'i frawd bach Osian, bob amser mor ofalus. A story for infants.
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Stori am Moi y mochyn mentrus a'i frawd bach Osian, bob amser mor ofalus. A story for infants.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
