A.L.M.R. المر

A + L + M + R = 605 + 480 + 260 + 137 = 1482 = 19 x 78

These initials prefix one sura, No. 13, and the total frequency of occurrence of the four letters is 1482, or 19x78. The letter “A” (ا = Alef) occurs 605 times, “L” (ل = Lam) occurs 480 times, “M” (م = Mim) occurs 260 times, and “R” (ر = Ra) occurs 137 times.