Complex sentence: The Wichita formed a loose confederation on the Southern Plains, including such tribes as Panis Piques, Taovayas, Guichitas, Tawakonis, Kichais, and Wacos, and they lived in fixed villages notable for domed-shaped and grass-covered dwellings.
Split into simpler sentences: The Wichita formed a loose confederation on the Southern Plains, including such tribes as Panis Piques, Taovayas, Guichitas, Tawakonis, Kichais, and Wacos. They lived in fixed villages notable for domed-shaped, grass-covered dwellings.