Task: Program Execution
Input (English): 7, Z, I, b, S
Output (English): [['7', 'Z', 'I', 'b'], ['7', 'Z', 'I', 'S'], ['7', 'Z', 'b', 'S'], ['7', 'I', 'b', 'S'], ['Z', 'I', 'b', 'S']]