advice advising alert animal be-careful beware canine canine-guard communicate communication danger dog guard-dog information informing lettering letters lookout mammal message no-entry observe risk risky security sign warned warning watch watch-out wording words hair husky K9 tongue animals Brindle chihuahua dogs Lapdogs pets Lapdog pet Small Dog collie fur happy kelpie laughing boxer driver humor drink puddle thirst water canin house paw sleep pup