thy - 24 occurrences in 18 verses - 1 Nephi 10:20, 11:4, 7, 21, 12:1, 8, 9, 10, 14, 16, 18, 13:11, 30, 31, 34, 35, 41, 14:2
thy seed - 9 occurrences in 8 verses - 1 Nephi 12:1, 8, 9, 10, 14, 13:30, 35, 41