saying it is a hard thing which I have required of them;

of - 214 occurrences in 104 verses - 1 Nephi 1:1, 2, 4, 5, 6, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20,   2:1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 21, 24,   3:1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 26, 27, 28, 29,   4:1, 2, 4, 5, 7, 9, 10, 11, 14, 15, 16, 18, 19, 20, 22, 24, 26, 27, 30, 31, 34, 35, 38,   5:1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 21, 22

of them - 3 occurrences in 2 verses - 1 Nephi 1:19,   3:5

of them but - 2 occurrences in 1 verse - 1 Nephi 3:5