Country Abbreviations and Acronyms
- SWSwitzerland
- SWSweden
- SWESweden
- SWISwitzerland
- SWITZSwitzerland
- SWTZSwitzerland
- SWZSwaziland
- SWZSwaziland Kingdom of
- SXSouth Georgia and South Sandwich Islands
- SYSyrian Arab Republic
- SYSyrip
- SYSyria
- SYCSeychelles
- SYRSyrian Arab Republic
- SYRSyria
- SZSwitzerland
- SZSwaziland
- TACITurks and Caicos Islands
- TAFTAThailand
- TAJTajikistan
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