This property defines the Unicodes which has Jamo Short Name as N
Characters like ᄂ,ᆫ, etc. are listed under N Jamo Short Name.
2 Characters are present in N Jamo Short Name starting with the Unicode point U+1102 that represents the character ᄂ.
Currently, as per latest version 15.0.0, Unicode supports 53 number of Jamo Short Name. Here are a few examples - A,AE,B, etc.