This property defines the Unicodes which have Bopomofo script
Characters like ˪,˫,ㄅ, etc. are listed under Bopomofo Script.
77 Characters are present in Bopomofo Script starting with the Unicode point U+02EA that represents the character ˪.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.