Combine the water and sugar in a heavy saucepan over medium heat, and stir until the sugar dissolves. Add the coffee, chocolate, tea, cinnamon and cloves, and bring to a boil. Reduce the heat and simmer, uncovered, for 15 minutes, stirring occasionally. Stir in the vanilla. Remove from the heat and strain through a fine sieve or cheesecloth. Serve warm.
Makes about 5 cups