اللَّهُمَّ إِنِّي أَسأَلُكَ بِرَحْمَتِكَ الَّتِي وَسِعَتْ كُلَّ شَيْءٍ أَنْ تَغْفِرَ لِي
Allaahumma inni as-aluka birahmatika allati wasi’at kulla shay-in an taghfira li
O Allah, I ask You by Your mercy which envelopes all things, that You forgive me. (Ibn Majah)