NKo unicode subset

Here is the list of 64 utf-8 characters in NKo subsets.

߀ ߁ ߂ ߃ ߄ ߅ ߆ ߇ ߈ ߉ ߊ ߋ ߌ ߍ ߎ ߏ ߐ ߑ ߒ ߓ ߔ ߕ ߖ ߗ ߘ ߙ ߚ ߛ ߜ ߝ ߞ ߟ ߠ ߡ ߢ ߣ ߤ ߥ ߦ ߧ ߨ ߩ ߪ ߫ ߬ ߭ ߮ ߯ ߰ ߱ ߲ ߳ ߴ ߵ ߶ ߷ ߸ ߹ ߺ ߻ ߼ ߽ ߾ ߿