Simplify the following text for a Grade 5 native English-speaking person.
Original: Russian is written using a modified version of the Cyrillic ( Ð Ð Ñ Ð Ð '' Ð '' Ð Ñ Ð ) alphabet .
Simplified: Ones that describe plural words usually end in - Ñ Ð or - Ð Ð .