Example: In Devanagari script, the form Kssa is considered an Akhand character (meaning unbreakable), and the sequence Ka, Halant, Ssa should always produce the ligature Kssa, irrespective of characters that precede/follow the above given sequence....
Also it is pity to see the word Thiru in your words because prefix means, after separation also the words should have meaning and in your words if you separate thiru there is no meaning in da and di. So please respond on the line of thread. shasthranaam Ganit...