燃やす
age
ash
background
bonfire
burnt
change
color
concept
danger
development
different
evolution
fire
flame
flammable
flat
generations
green
growth
heat
human
idea
ignite
ignition
lay
life
light
lighter
long
match
matches
matchstick
metaphore
object
old
one
period
phases
row
smoke
stage
stick
symbol
top
unique
view
whole
wooden
youth