When sitting between two Sujood (Prostrations) – 1

رَبِّ اغْفِرْ لِي رَبِّ اغْفِرْ لِي

Rabbighfir lee, Rabbighfir lee

Lord, forgive me. My Lord, forgive me.

An-Nasa’i: 1146, 1666 Abu Dawud: 874

When sitting between two Sujood (Prostrations) – 2

اللَّهُمَّ اغْفِرْ لِي، وَارْحَمْنِي، وَاهْدِنِي، وَاجْبُرْنِي، وَعَافِنِي، وَارْزُقْنِي، وَارْفَعْنِي

Allaahum-maghfir lee, warhamnee, wahdinee, wajburnee, wa ‘aafinee, warzuqnee, warfa’nee

O Allah forgive me, have mercy on me, guide me, support me, protect me, provide for me and elevate me.

Ibn Majah: 3845, 1517 At-Tirmidhi: 284