Related Clues:

• See 25-Down
• Lyrical Gershwin
• Sinn Fein org.
• Bank offering, briefly
• George's lyricist brother
• Savings letters
• Investment option: Abbr.
• Credit union offering
• George's musical brother
• Part of a certain nest egg, briefly
• Nest-egg builder, for short
• J. P. Morgan offering, for short
• Wordy Gershwin
• Nest egg letters
• Nest egg, of a sort: Abbr.