分别列出世界各地知名度排名前50的名山和大川并给出其两位英文字母的代号要求给出的两位字母代号不能和其他的重复

名山排名前50：

1. Everest (EV)
2. K2 (K2)
3. Kangchenjunga (KJ)
4. Lhotse (LT)
5. Makalu (MK)
6. Cho Oyu (CO)
7. Dhaulagiri (DH)
8. Manaslu (MA)
9. Nanga Parbat (NP)
10. Annapurna (AP)
11. Gasherbrum I (GI)
12. Broad Peak (BP)
13. Gasherbrum II (G2)
14. Shishapangma (SP)
15. Masherbrum (MB)
16. Rakaposhi (RA)
17. Namcha Barwa (NB)
18. Annapurna II (A2)
19. Gyachung Kang (GK)
20. Annapurna III (A3)
21. Annapurna IV (A4)
22. Nanda Devi (ND)
23. Dhaulagiri II (D2)
24. Batura Sar (BS)
25. Kamet (KM)
26. Rakaposhi East (RE)
27. Kangto (KT)
28. Saser Kangri (SK)
29. Pumori (PM)
30. Panchchuli (PC)
31. Chogolisa (CG)
32. Trisul (TS)
33. Shispare (SH)
34. Gangapurna (GA)
35. Churen Himal (CH)
36. Jannu (JN)
37. Annapurna South (AS)
38. Gurla Mandhata (GM)
39. Sia Kangri (SK)
40. Nilgiri (NL)
41. Haramosh Peak (HP)
42. Langtang Lirung (LL)
43. Kanjut Sar (KS)
44. Api (AP)
45. Muztagh Ata (MA)
46. Saltoro Kangri (SK)
47. Jomolhari (JM)
48. Gangkhar Puensum (GP)
49. Shingo La (SL)
50. Cho Polu (CP)

大川排名前50：

1. Nile (NL)
2. Amazon (AZ)
3. Yangtze (YT)
4. Mississippi (MS)
5. Yenisei (YE)
6. Yellow (YL)
7. Ob (OB)
8. Parana (PA)
9. Congo (CG)
10. Amur (AM)
11. Lena (LE)
12. Mackenzie (MK)
13. Mekong (MG)
14. Niger (NG)
15. Murray (MY)
16. Yukon (YK)
17. Tocantins (TC)
18. Volga (VG)
19. Indus (ID)
20. Purus (PS)
21. Madeira (MD)
22. Sao Francisco (SF)
23. Brahmaputra (BP)
24. Orinoco (OR)
25. Uruguay (UR)
26. Shatt al-Arab (SA)
27. Xingu (XG)
28. Paranapanema (PN)
29. Maranon (MN)
30. Tapajos (TP)
31. Kuskokwim (KK)
32. Churchill (CH)
33. Rio Grande (RG)
34. Cauca (CU)
35. Pechora (PC)
36. Sava (SA)
37. Magdalena (MG)
38. Don (DN)
39. Kama (KM)
40. Huang He (HH)
41. Tigris (TG)
42. Colorado (CD)
43. Ishim (IM)
44. Euphrates (EF)
45. Kura (KA)
46. Ob-Irtysh (OI)
47. Sava Dolinka (SD)
48. Salween (SW)
49. Syr Darya (SD)
50. Green (GR)