To express 'each other,' use the phrase дрџг дрџга:
Онќ чђсто звонїт дрЎг дрџгу. They often call each other.
Put prepositions in the middle of дрЎг дрџга.
Inflect дрџга like a masculine animate noun.
дрЎг о дрџге about each other
дрЎг с дрџгом with each other
дрЎг к дрџгу to each other