26个英文字母,任意拿出两个字母组合,一共有650种可能,哪位高手能不能把所有的可能全部都列写出来,希望哪位懂程序的,有急用,

01,02,03,04,05,06,07,08,09,10,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,30,31,32,34,35,36,37,38,39,40,41,42,43,45,46,47,48,49,50,51,52,53,54,56,57,58,59,60,61,62,63,64,65,67,68,69,70,71,72,73...