Explanation

It has a total of 52 letters, augmenting the Persian with digraphs and eighteen new letters (ڄ ٺ ٽ ٿ ڀ ٻ ڙ ڍ ڊ ڏ ڌ ڇ ڃ ڦ ڻ ڱ ڳ ڪ) for sounds particular to Sindhi and other Indo-Aryan languages