A - 30 combinations
6. acid rain = city + rain, cloud + sickness, cloud + smog, cloud + smoke, rain + sickness, rain + smog, rain + smoke
7. airplane = bat + machine, bat + metal, bat + steel, bird + boat, bird + car, bird + machine, bird + metal, bird + sailboat, bird + steam engine, bird + steamboat, bird + steel, bird + train, container + pilot, crow + machine, crow + metal, crow + steel, duck + machine, duck + metal, duck + steel, eagle + machine, eagle + metal, eagle + steel, hummingbird + machine, hummingbird + metal, hummingbird + steel, machine + owl, machine + pigeon, machine + seagull, machine + vulture, metal + owl, metal + pigeon, metal + seagull, metal + vulture, owl + steam engine, owl + steel, pigeon + steel, seagull + steel, steel + vulture
8. alarm clock = bell + clock, bell + watch, clock + dawn, clock + sound, dawn + watch, sound + watch
9. alchemist = gold + human, human + idea, human + story
10. alcohol = fruit + sun, fruit + wheat, juice + time, juice + wheat
11. algae = grass + lake, grass + pond, grass + water, plant + water
12. alien = galaxy cluster + life, galaxy + life, jupiter + life, life + mars, life + mercury, life + saturn, life + solar system, life + space, life + venus
13. allergy = dust + human, human + pollen
14. alligator = lake + lizard, lizard + river, lizard + swamp
15. alpaca = mountain goat + sheep, mountain range + sheep, mountain + sheep
16. ambulance = car + doctor, car + hospital
17. angel = bird + human, human + light
18. angler = fishing rod + human, fishing rod + sailor
19. animal = beach + life, desert + life, forest + life, land + life, life + mountain range, life + mountain
20. ant = animal + grass, grass + spider
21. antarctica = continent + ice, continent + snow, desert + ice, desert + snow
22. anthill = ant + container, ant + earth, ant + hill, ant + house, ant + land, ant + soil
23. aquarium = container + fish, fish + glass, glass + pond, glass + puddle, glass + water
24. archipelago = island + island, island + ocean, island + sea
25. arctic = cold + ocean, cold + sea
26. armadillo = animal + armor, armor + cat, armor + dog
27. armor = fabric + metal, fabric + steel
28. arrow = bow + wood, bullet + wood
29. ash = campfire + paper, campfire + rain, campfire + storm, campfire + time, campfire + water, fire + grass, fire + mineral, fire + paper, fire + plant, fire + tree, paper + phoenix
30. astronaut = human + jupiter, human + mars, human + mercury, human + moon, human + rocket, human + saturn, human + solar system, human + space station, human + space, human + spaceship
31. atmosphere = air + planet, air + sky
32. atomic bomb = explosion + explosion, big + explosion, energy + explosion
33. aurora = antarctica + electricity, antarctica + sky, arctic + electricity, arctic + sky, atmosphere + electricity, electricity + sky
34. avalanche = earthquake + glacier, earthquake + mountain range, earthquake + mountain, earthquake + snow, glacier + gun, glacier + sound, glacier + wave, gun + mountain range, gun + mountain, mountain range + wave, mountain + sound, mountain + wave
35. axe = blade + wood, stone + wood, tool + wood