Tomos, Dylan a Trystan sy'n ymuno gyda Caryl a Geraint am y cwis mawreddog! Tomos, Dylan and Trystan will joing Caryl and Geraint for the quiz!
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Tomos, Dylan a Trystan sy'n ymuno gyda Caryl a Geraint am y cwis mawreddog! Tomos, Dylan and Trystan will joing Caryl and Geraint for the quiz!
Ail wasanaeth BBC Radio Cymru sy'n cynnig sioe frecwast bob bore'r wythnos.
