but - 14 occurrences in 13 verses - 1 Nephi 16:38, 17:27, 35, 43, 45, 53, 54, 55, 18:2, 10, 17, 19:6, 7
but I - 4 occurrences in 4 verses - 1 Nephi 17:53, 55, 18:2, 19:7