animal
ban
bed
black
care
cartoon
character
circle
clean
danger
dirt
dirty
dog
ecological
ecology
emblem
excrement
figure
fun
funny
garbage
graphic
grey
hygiene
icon
information
isolated
law
nature
no
nutrition
organic
park
pet
pile
poo
poop
pooping
red
round
safety
sign
silhouette
smell
stop
symbol
walk
warning
white