This property defines the Unicodes which have Inscriptional Pahlavi script
Characters like 𐭠,𐭡,𐭢, etc. are listed under Inscriptional Pahlavi Script.
27 Characters are present in Inscriptional Pahlavi Script starting with the Unicode point U+10B60 that represents the character 𐭠.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.