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Questions

• Zeya, Bureya, Sungari, Ussuri, Anyuy, Amgun, etc.
• Lufira, Luwua, Lukuga, Lomami, Lulongo, Ruki, Kasai, Aruvimi, Itimbiri, Mongala, Ubangi, Sanga, Inkisi, Alima, etc.
• Khemchik, Kantegir, Abakan, Kem, Kas, Gryaznukha, Kebezh, Tuba, Syda, Sisim, Mana, Kan, Angara, Bakhta, Kureika, Khantaika, Dudinka, etc.
• Medveditsa, Khopyor, Aksai, Chir, Tupoles, Elan, Reshetovka, Nepryadva, Kazinka, Potudan, Repets, etc.
• Milo, Bani, Sokoto, Kaduna, Benue, etc.
• Klyazma, Pronya, Gizdra, Ushna, Tyosha, Sturgeon, Moksha, Moskva, Gus, Nara, etc.
• Iller, Lech, Izar, Inn, Enns, Morava, Raba, Vag, Gron, Ipel, Drava, Tisa, Sava, Morava, Iskir, Siret, Prut, etc.
• Kama, Selizharovka, Vazuza, Tvertsa, Mologa, Sheksna, Kostroma, Unzha, Oka, Sura, Vetluga, Sviyaga, etc.
• Missouri, Arkansas, Ohio, Illinois, Des Moines, Red River, etc.
• Taskan, Seimchan, Popovka, Yasachnaya, Zyryanka, Ozhogina, Sedema, Bolshoi Tyellakh, Srednikan, Bakhapcha, Buyunda, Balygychan, Sugoy, etc.
• Teslin, Big Salmon, Little Salmon, Pelly, Stewart, Klondike, Kandik, Fortymile, Charlie, Birch Creek, Beaver Creek, etc.
• Jurua, Purus, Madeira, Tapajos, Xingu, Tocantins, Putumayo, Rio Negro, etc.
• Bhagirathi, Bhillangana, Alaknanda, Jamna, Gomti, Ghaghara, Gandak, Son, Tamsa, Karmanasha, Damodar, etc.
• Keqiangqiu, Chumar, Seuchu, Dechu, Minjiang, Wujiang, etc.
• Ventuari, Kaura, Karoni, Guaviare, Meta, Apure, Vichada, etc.
• Kabompo, Kwando, Kafue, Luangwa, Shangani, Sanyati, Khanyani, Mazo, etc.
• Irtysh, Anui, Charysh, Alei, Barnaulka, Kasmala, Shegarka, Chaya, Parabel, Chulym, Ket, Tym, Vakh, etc.
• Chaya, Vitim, Aldan, Kuta, Olyokma, Vilyuy, Kirenga, Chuya, Molodo, Biryuk, Lungkha, etc.
• Artazym, Tanalyk, Guberlya, Sakmara, Yelshanka, Zazhivnaya, Gumbeyka, Suunduk, Or, Ilek, Utva, Barbasheva, etc.
• El Ghazal, Aswa, Sobat, Atbara, etc.