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Notes: Dyma’r acronymau a ddefnyddir ar gyfer Member of Parliament / Aelod Seneddol. Mae angen gofal yn Gymraeg er mwyn osgoi drysu ag AS (Aelod o’r Senedd, y byrfodd ar deitl swyddogol aelod etholedig o ddeddfwrfa Cymru). Gweler yr eitem yn yr Arddulliadur am enw’r sefydliad.
