Also, the letter must have a vowel that depends on the letter of Madd, as follows: These letters must be silent without any vowel on them, but the letter which appears before the letter of Madd must not be hamza.
Now, what are the 3 Madd letters? Al-Madd in Tajweed comes with three letters (ا, و, ي) and they are collected in the Arabic word نُوحِيهَا.
