生成所提供单词的所有组合和排列

def generate_combinations(word):
    if len(word) <= 1:
        return [word]
    
    combinations = []
    for i in range(len(word)):
        char = word[i]
        remaining_chars = word[:i] + word[i+1:]
        sub_combinations = generate_combinations(remaining_chars)
        for sub_combination in sub_combinations:
            combinations.append(char + sub_combination)
    
    return combinations

def generate_permutations(word):
    if len(word) <= 1:
        return [word]
    
    permutations = []
    for i in range(len(word)):
        char = word[i]
        remaining_chars = word[:i] + word[i+1:]
        sub_permutations = generate_permutations(remaining_chars)
        for sub_permutation in sub_permutations:
            permutations.append(char + sub_permutation)
    
    return permutations

word = "cloud"
combinations = generate_combinations(word)
permutations = generate_permutations(word)

print("Combinations:")
for combination in combinations:
    print(combination)

print("Permutations:")
for permutation in permutations:
    print(permutation)