1 verse has
لِّنَفْتِنَهُمْ
in Edition Uthmani / Al-Jinn (The Jinn)

17:72لِّنَفْتِنَهُمْ فِيهِ ۚ وَمَن يُعْرِضْ عَن ذِكْرِ رَبِّهِۦ يَسْلُكْهُ عَذَابًۭا صَعَدًۭا