Country domain names Abbreviations and Acronyms
- STSão Tomé and Príncipe (country Domains)
- SUUSSR
- SUSoviet Union (country Domains)
- SUPPORTHelp Pages (generic Domains)
- SURFSurfing (generic Domains)
- SVEl Salvador
- SVEl Salvador (country Domains)
- SVNSlovenia
- SWSwitzerland
- SWSweden
- SWESweden
- SWISwitzerland
- SWITZSwitzerland
- SWTZSwitzerland
- SXSint Maarten (country Domains)
- SYSyria (country Domains)
- SZSwitzerland
- SZSwaziland (country Domains)
- TAFTAThailand
- TANTanzania
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