This property defines the Unicodes which has Jamo Short Name as WEO
Characters like ᅯ, etc. are listed under WEO Jamo Short Name.
1 Characters are present in WEO Jamo Short Name starting with the Unicode point U+116F that represents the character ᅯ.
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.