Recognise that the 12 vowels and the 18 consonants combine to make vowel-consonant sounds that follow the pattern of sounds for all consonants of the Tamil alphabet; for example, கெ, கே, கொ, கோ, கௌ

Recognise the specific sound difference between consonants and the correct pronunciation of the same to avoid distorting the meaning of the word (மயங்கொலிகள்); for example, வாணம், வானம், பணி, பனி