السَّلَامُ عَلَيْكُمْ وَرَحْمَةُ اللَّهِ
Meaning: Peace and Allah’s mercy be upon you.
The described sunnah form is to turn first to the right and then to the left. The report from Ibn Mas‘ud describes the Prophet’s two salutations. The usual wording here includes wa-rahmatullah on both sides.