text: Sonyayi tiyi sidiye turinma dǝn tullǝm luwo +8,848 m (Mount Everest)-a −10,984 (Marianas Trench) -a mbeji, sǝrtǝ the geoid ye ellipsoid ye dǝn alama +85 m (Iceland) yeyi na −106 m (southern India) ro ciwudo, 200 m lan cidan jumlanzǝ samma.