Task: Program Execution
Input (English): M, 4, t, w, c, i, d
Output (English): [['M', '4', 't', 'w', 'c', 'i'], ['M', '4', 't', 'w', 'c', 'd'], ['M', '4', 't', 'w', 'i', 'd'], ['M', '4', 't', 'c', 'i', 'd'], ['M', '4', 'w', 'c', 'i', 'd'], ['M', 't', 'w', 'c', 'i', 'd'], ['4', 't', 'w', 'c', 'i', 'd']]