Essen is a city in Germany with five letters. It is located in the Ruhr area and is the ninth largest city in Germany. Bonn is a four letter city in Germany and was the capital of West Germany from 1949 to 1990. Stadt is also a five letter city in Germany and is located in the state of North Rhine-Westphalia. Ulm is a three letter city in Germany and is located in the state of Baden-Württemberg. Finally, Lahr is a four letter city in Germany and is located in the state of Baden-Württemberg.