Musannaf Ibn Abi Shayba 3:1325

Waki' narrated to us, he said: Kahmas narrated to us, from Abdullah ibn Shaqiq al-Uqayli, he said: I said to Aisha, "Did the Messenger of Allah, peace and blessings of Allah be upon him, combine chapters in one rak'ah?" She said, "Yes, the Mufassal."