once
سُبْحَانَكَ اللَّهُمَّ رَبَّنَا وَبِحَمْدِكَ، اللَّهُمَّ اغْفِرْ لِي
Edition transliteration
Subhanakal-lahumma rabbana wabihamdik, allahummagh-fir lee
Meaning
How perfect You are O Allah, our Lord and I praise You. O Allah, forgive me.
Source and references
Hisn al-Muslim, entry 34.The reference is copied from the edition; separate editorial verification is not complete yet.
Source edition: Fortress of the Muslim. Open source ↗