Fossil fuels
Starter
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BURNING
CAPROCK
CHEMICAL
COAL
ENERGY
FIRE
FOSSILS
FUEL
HEAT
HEAT
LIGHT
OIL
PETROL
REMAINS
SMOKE
| G | L | O | R | T | E | P | X | B |
| E | I | S | M | O | K | E | L | U |
| K | G | N | Z | S | K | A | E | R |
| C | H | I | F | L | C | L | N | N |
| O | T | A | X | I | T | K | E | I |
| R | L | M | M | S | R | G | R | N |
| P | M | E | X | S | Y | E | G | G |
| A | H | R | U | O | I | L | Y | E |
| C | O | A | L | F | T | A | E | H |
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