浜辺
alone
ashore
assistance
background
blue
bottle
buried
castaway
coast
communicate
communication
concept
cork
desperation
document
glass
help
hope
island
land
letter
loneliness
lost
mail
message
nature
nobody
note
object
ocean
paper
remote
rescue
salvation
sand
sea
secret
shore
sky
solitude
sos
stranded
summer
support
survivor
travel
tropical
water
wave