sa

South Africa

snc

Saskatchewan

-sb

Svalbard

so

Somalia

scu

South Carolina

sp

Spain

sdu

South Dakota

sq

Swaziland

se

Seychelles

sr

Surinam

sf

Sao Tome and Principe

ss

Western Sahara

sg

Senegal

stk

Scotland

sh

Spanish North Africa

su

Saudi Arabia

si

Singapore

-sv

Swan Islands

sj

Sudan

sw

Sweden

-sk

Sikkim

sx

Namibia

sl

Sierra Leone

sy

Syria

sm

San Marino

sz

Switzerland