• Aliases: dsa through dsz. • Letters. • Treated as distinct characters rather than style modifications of ordinary letters. • Contiguous character codes from the private Unicode character range are used, even though a few double-struck characters are included in ordinary Unicode. • See also: \[DoubleStruckCapitalA] , \[GothicA] , \[ScriptA] , etc.
... 
\[DoubleStruckA] ... \[DoubleStruckZ]
dsa