玛 (mǎ) for 'ma-',
尼 (ní) for 'ni-',
恩 (ēn) for '-on/-en'. The Irish surname 'Manion' / 'Mannion' is best-known to Western audiences via Otto Preminger's 1959 courtroom film 'Anatomy of a Murder' (Chinese title 《
桃色血案》), where Lt. Frederick Manion is the defendant.