This property defines the Unicodes which has Jamo Short Name as WI
Characters like ᅱ, etc. are listed under WI Jamo Short Name.
1 Characters are present in WI Jamo Short Name starting with the Unicode point U+1171 that represents the character ᅱ.
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.