| 01. oír campanas y no saber donde (29 Letters) | 02. oído (4 Letters) | 03. old fashion (11 Letters) |
| 04. originada (9 Letters) | 05. oligopólico (11 Letters) | 06. opúseme (7 Letters) |
| 07. observadle (10 Letters) | 08. omertá (6 Letters) | 09. opinar distinto (15 Letters) |
| 10. omertá (6 Letters) | 11. ok boomer (9 Letters) | 12. osmoregulacion (14 Letters) |
| 13. osmoregulación (14 Letters) | 14. over playback (13 Letters) | 15. ovejero (7 Letters) |
| 16. overnight (9 Letters) | 17. oviflexivegavegecarnitariana (28 Letters) | 18. orquestar (9 Letters) |
| 19. ojo de venado (13 Letters) | 20. oso hormiguero gigante (22 Letters) | 21. orientadas (10 Letters) |
| 22. observe (7 Letters) | 23. oriente punto cardinal (22 Letters) | 24. operador de transportes (23 Letters) |
| 25. ohlone (6 Letters) | 26. oliva (5 Letters) | 27. ohlone (6 Letters) |
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| 28. orculo (6 Letters) | 29. omo (3 Letters) | 30. oroña (5 Letters) |
| 31. oroña (5 Letters) | 32. onda esferica (13 Letters) | 33. omnicanal (9 Letters) |
| 34. oblivion (8 Letters) | 35. orn (3 Letters) | 36. omnicanal (9 Letters) |
| 37. oxalato (7 Letters) | 38. oxalato (7 Letters) | 39. optener (7 Letters) |
| 40. objetalizar (11 Letters) | 41. ofuscacin (9 Letters) | 42. otánico (7 Letters) |
| 43. organismos geneticamente modificados (36 Letters) | 44. obscisa (7 Letters) | 45. opositores (10 Letters) |
| 46. ovni (4 Letters) | 47. obstinencia (11 Letters) | 48. ovni (4 Letters) |
| 49. oligopólica (11 Letters) | 50. open banking (12 Letters) | 51. ostro (5 Letters) |
| 52. ocipete (7 Letters) | 53. olbersia (8 Letters) | 54. ojo de venado u ojo de buey (27 Letters) |
| 55. odontocetos (11 Letters) | 56. ocúltalo (8 Letters) | 57. oskar (5 Letters) |
| 58. obstetricia y ginecología (25 Letters) | 59. onís (4 Letters) | 60. orra (4 Letters) |
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