The flag for Somalia, which may show as the letters SO on some platforms.
The Flag: Somalia emoji is a flag sequence combining ? Regional Indicator Symbol Letter S and ? Regional Indicator Symbol Letter O. These display as a single emoji on supported platforms.
Flag: Somalia was added to Emoji 1.0 in 2015.
U+1F1F8
U+1F1F4
?? Regional indicator symbol letter s
?? Regional indicator symbol letter o