Tolkāppiyam , viracoliyam , neminatam , nannul , grammatical interpretation , ancient writings explanation , muttuviriyam , cuvaminatam , harvest, grammar , tamilnul , S nnul the grammar Nou in the account, all their grammatical concepts kalamarram , the development of the basis for building Die run through , tolkappiyattaiyo , nannulaiyo following grammatical E has devised . Marthandam , nantankatu the area m . Kacuman by the modern grammar book, Tamil insulation enabled the curve of theoretical creation of a framework etutturaippat the article leads .