using namespace std;int main() { string letters[2][2][2] = { { { "A", "B" }, { "C", "D" } }, { { "E", "F" }, { "G", "H" } } }; for (int i = 0; i < 2; i++) { for (int j = 0; j < 2; j++) { for (int k = 0; k < 2; k++) { cout << letters[i][j][k] << "\n"; } } } return 0;}