Task: Program Execution
Input (English): Z, 4, g, i, I, B
Output (English): [['Z', '4', 'g', 'i', 'I'], ['Z', '4', 'g', 'i', 'B'], ['Z', '4', 'g', 'I', 'B'], ['Z', '4', 'i', 'I', 'B'], ['Z', 'g', 'i', 'I', 'B'], ['4', 'g', 'i', 'I', 'B']]