Musnad Ahmad 27:337

Waki’ narrated to us, ‘Ubadah bin Muslim al-Fazari narrated to us, Jubayr bin Abi Sulayman bin Jubayr bin Mut’im narrated to me, I heard ‘Abdullah bin ‘Umar saying: The Messenger of Allah (peace and blessings of Allah be upon him) would not abandon these supplications when he reached the morning and when he reached the evening: "O Allah, I ask You for well-being in this world and the Hereafter. O Allah, I ask You for pardon and well-being in my religion, my worldly life, my family, and my wealth. O Allah, conceal my faults and secure my fears. O Allah, protect me from before me, from behind me, from my right, from my left, and from above me, and I seek refuge in Your greatness from being swallowed up from beneath me." He said: Meaning being swallowed by the earth (al-khasf).