SS;South Sudan
ST;Sao Tome and Principe
SU;USSR
SV;El Salvador
SX;Sint Maarten (Dutch part)
SY;Syrian Arab Republic (the)
SZ;Swaziland
TC;Turks and Caicos Islands (the)
TD;Chad
TF;French Southern Territories (the)
TG;Togo
TH;Thailand
TJ;Tajikistan
TK;Tokelau
TL;Timor-Leste
TM;Turkmenistan
TN;Tunisia
TO;Tonga
TP;East Timor
TR;Turkey
TT;Trinidad and Tobago
TV;Tuvalu
TW;Taiwan (Province of China)
TZ;Tanzania, United Republic of
UA;Ukraine
UG;Uganda
UM;United States Minor Outlying Islands (the)
US;United States (the)
UY;Uruguay
UZ;Uzbekistan
VA;Holy See (the) [Vatican City State]
VC;Saint Vincent and the Grenadines
VD;Viet-Nam, Democratic Republic of
VE;Venezuela, Bolivarian Republic of
VG;Virgin Islands (British)
VI;Virgin Islands (U.S.)
VN;Viet Nam
VU;Vanuatu
WF;Wallis and Futuna
WK;Wake Island
WS;Samoa
XE;displaced person
XK;Kosovo
YD;Yemen, Democratic
YE;Yemen
YT;Mayotte
YU;Yugoslavia
ZA;South Africa
ZM;Zambia
ZR;Zaire
ZW;Zimbabwe
ZZ;British Antarctic Territory