ASHES, BACKDROP, BACKGROUND, BLACK, BURN, CANDID, CARBON, CHAR, CHARCOAL, CINDER, COAL, COMBUST, COMBUSTIBLE, COMBUSTION, CONDENSED, COOKING, CRYSTAL, DARK, EMISSION, ENERGY, FIRE, FIREWOOD, FUEL, HARD, HARDWOOD, HEAP, IMAGE, INDUSTRY, IS, ISOLATED, IT, LIGNITE, NATURAL, OAK, OF, ON, PATTERN, PILE, PURE, PURITY, QUALITY, REAL, SHADOW, SMOKE, SOLID, STACK, TEXTURE, WHITE, WOOD, WOODEN,