Historical clue formulations

• Backup squads — 2026-06-14
• Sub groups — 2024-08-09
• Backup groups — 2023-07-16
• They're brought in for starters — 2021-06-05
• Groups that never get started — 2015-09-27
• Second-stringers — 2014-12-29
• Sub squads — 2009-10-24