What cities have four letters only in their names?

Some cities around the world with four letters in their names are:

Aden, People's Democratic Republic of Yemen

Apia, Samoa

Baku, Azerbaijan

Bern, Switzerland

Bonn, W Germany

Dili, East Timor

Doha, Qatar

Hilo, Hawaii, United States

Hope, Arkansas, United States

Kiev, Ukraine

Lima, Peru

Lome, Togo

Male, Maldives

Nome, Alaska, United States

Nuuk, Greenland

Oslo, Norway

Reno, Nevada, United States

Riga, Latvia

Rome, Italy

Suva, Fiji

Waco, Texas, United States

Yuma, Arizona, United States