Task: Program Execution
Input (English): q, d, 3, M, k, 2, t
Output (English): [['q', 'd', '3', 'M', 'k', '2'], ['q', 'd', '3', 'M', 'k', 't'], ['q', 'd', '3', 'M', '2', 't'], ['q', 'd', '3', 'k', '2', 't'], ['q', 'd', 'M', 'k', '2', 't'], ['q', '3', 'M', 'k', '2', 't'], ['d', '3', 'M', 'k', '2', 't']]