for the day should come that they must be judged of their works,
of - 95 occurrences in 32 verses - 1 Nephi 15:1, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36
of their - 7 occurrences in 5 verses - 1 Nephi 15:4, 6, 14, 32, 33