S
edit-
SB
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SF
-
SH
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Sierra Leone (West Africa Federation?)
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San Marino (Future Italy?)
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Senegal (West Africa Federation?)
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SP
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SQ
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Suriname (Guyanas Federation?)
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Sao Tome and Principe (West Africa Federation?)
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SU (Soviet Union?)
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SV El Salvador (SIECA/ Central American Integration System)
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SW
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SX Saint Martin Island (Unification)
]]