قُلْ هُوَ اللَّهُ أَحَدٌ قُلْ أَعُوذُ بِرَبِّ الْفَلَقِ قُلْ أَعُوذُ بِرَبِّ النَّاسِ
Transliteration
Qul huwallahu ahad — Qul a'udhu bi-Rabbil-falaq — Qul a'udhu bi-Rabbin-nas
Translation
Recite Surah Al-Ikhlas, Al-Falaq and An-Nas three times morning and evening; they will suffice you against everything.
Reference: Abu Dawud 5082