أَعُوذُبِكَلِمَاتِ اللهِ التَّامَّاتِ مِنْ شَرِّ مَا خَلَقَ [ثَلاثَ مَرَّاتٍ إذا أمْسَى]
I take refuge in Allāh's perfect words from the evil He has created. [Three times in the evening]
Reference: I take refuge in Allāh's perfect words from the evil He has created. [Three times in the evening] Aḥmad (2/290), al-Nasāʾī in _ʿAmal al-Yawm wa al-Laylah_ (#590), Ibn al-Sunnī (#68). Also see _Ṣaḥīḥ al-Tirmidhī_ (3/187), _Ṣaḥīḥ Ibn Mājah_ (2/266) and _Tuḥfah al-Akhyār_ (p.\ 45)