Dua collection
Between the two prostrations
دعاء الجلسة بين السجدتين
2 supplications
رَبِّ اغْفِـرْ لي ، رَبِّ اغْفِـرْ لي
Lord, forgive me. My Lord, forgive me.
Abu Dawud 1/231. See also Al-Albani, Sahihibn Mdjah 1/148.
اللّهُـمَّ اغْفِـرْ لي ، وَارْحَمْـني ، وَاهْدِنـي ، وَاجْبُرْنـي ، وَعافِنـي وَارْزُقْنـي وَارْفَعْـني
O Allah forgive me, have mercy on me, guide me, support me, protect me, provide for me, and elevate me.
Abu Dawud, Ibn Majah, At-Tirmidhi. See also Al-Albani, Sahih At-Tirmidhi 1/90 and Sahih Ibn Majah 1/148.