إِنَّ عَذَابَ رَبِّهِمْ غَيْرُ مَأْمُونٍ
Indeed, the punishment of their Lord is not something to be felt secure from.
Roots in this verse: ع ذ ب (E*b), ر ب ب (rbb), غ ي ر (gyr), ا م ن (Amn)