اللَّهُمَّ اجْعَلْنِي مِنَ التَّوَّابِينَ وَاجْعَلْنِي مِنَ الْمُتَطَهِّرِينَ
O Allah, make me among those who turn to You in repentance, and make me among those who are purified.
A llaahummaj'alnee minat-tawwaabeena waj'alnee minal-mutatahhireen.
At-Tirmithi 1/78. See also Al-Albani, Sahih At- Tirmithi 1/18