The Messenger of Allah (may Allah's peace and blessings be upon him) used to say in his prostration: "Allāhumma ighfir li dhambi kullahu, diqqahu wa jillahu, wa awwalahu wa ākhirahu, wa ‘alāniyatahu wa sirrahu (O Allah, forgive me all my sins, the small and the great, the first and the last, the public and the private)

The Prophet (may Allah's peace and blessings be upon him) used to supplicate in his prostration saying: (O Allah, forgive me all my sins) by concealing them, and protect me from their consequences by pardoning, overlooking, and forgiving (all my sins), I mean: (the small), little, and slight, (and the great), big, and abundant; (the first) sin (and the last) and what is between them; (the public and the private) that is not known to anyone but You, may You be Exalted.