This property defines the Unicodes which have Lepcha script
Characters like ᰀ,ᰁ,ᰂ, etc. are listed under Lepcha Script.
74 Characters are present in Lepcha Script starting with the Unicode point U+1C00 that represents the character ᰀ.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.