1.This is the first of the vowels.
3. A seems to be a very interesting Vowel in our script. By it self this sinhala vowel ‾a pronounced Ah, may mean Arrived, Came ,Reached. Sinhala A pronounced Ah is an expression implying surprise, Anger,Joy, Recollection, etc . Ab means cloud, Aba means wife, ä means She or Her. [ Dictionary of Sinhala Epigraphical Words].