Task: Program Execution
Input (English): L, h, 0, i, 6, 8, t
Output (English): [['L', 'h', '0', 'i', '6', '8'], ['L', 'h', '0', 'i', '6', 't'], ['L', 'h', '0', 'i', '8', 't'], ['L', 'h', '0', '6', '8', 't'], ['L', 'h', 'i', '6', '8', 't'], ['L', '0', 'i', '6', '8', 't'], ['h', '0', 'i', '6', '8', 't']]