السَّلامُ عَلَى رَسُولِ اللهِ ، اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ
Translation 
Peace be upon the Messenger of Allah. O Allah, Open for me the gates of Your Mercy.
Transliteration
As-salaamu ‛alaa rasoolillaah, allaahum-maf-taḥ lee abwaaba raḥmatik
Sources:
Abu Dawud No# 465
