This property defines the Unicodes which are Consonant Head Letter
Characters like ྈ,ྉ,ྊ, etc. are listed under Consonant Head Letter Indic Syllabic Category.
5 Characters are present in Consonant Head Letter Indic Syllabic Category starting with the Unicode point U+0F88 that represents the character ྈ.
Currently, as per latest version 15.0.0, Unicode supports 36 number of Indic Syllabic Category. Here are a few examples - Avagraha,Bindu,Brahmi Joining Number, etc.