British vehicle registration for Aberdeen
• Scientific Officer
• Scottish Office
• section officer
• Senior Officer
• shale oil (residue)
• Signal Officer
• Irish fishing port registration for Sligo
• Computing small outline
• international vehicle registration for Somalia
• sorting office
• postcode for Southampton
• Meteorol. southern oscillation
• special order
• Staff Officer
• standing order
• Stationery Office
• statistical office
• suboffice
• Supply Officer
• Symphony Orchestra