Simplify the following text for a Grade 5 native English-speaking person.
Original: The Turkish alphabet is a Latin-based alphabet used for writing the Turkish language , consisting of 29 letters , a certain number of which ( Ã , Ä , I , Ä , Ã -- , Å , and Ã ) have been modified from their Latin originals for the phonetic requirements of the language .
Simplified: Seven Turkish letters ( Ã , Ä , I , Ä , Ã -- , Å , and Ã ) are in the Turkish alphabet .