What's The Word - 5 letters - 4 pictures - 1st is 4 matches, one of which is dead, 2nd is a Golden Retriever dog carrying a stick on a beach, 3rd is an Alsation dog lying down on grass grasping a stick, 4th is one of those very small things that you stick in a computer - small storage device that goes in a USB port - this link may or may not lead you to it on Facebook:-
https://apps.facebook.com/whats-the-word/?fb_source=appcenter&fb_appcenter=1