Hadith 33
Narrated Aishah, Ummul Muminin: The Prophet ﷺ used his right hand for getting water for ablution and taking food, and his left hand for his evacuation and for anything repugnant.
Hadith 34
Aishah, also reported a tradition bearing similar meaning through another chain of transmitters.
Hadith 243
Aishah said; When the Messenger of Allah ﷺ intended to take a bath because of sexual defilement, he would begin with his hands and wash them. Then he would wash the joints of his limbs and pour water upon him when he cleansed both his (hands), he would rub them on the wall (to make them perfectly clean with the dust). Then he would perform ablution and pour water over his head.
Hadith 675
This tradition has also been transmitted by Abdullah (bin Masud) through a different chain of narrators. This version adds: “Do not be irregular, so have your hearts irregular, and beware of tumult such as found in market”.