Across: 1&3 Big Bird; 5 Lego; 6 Siam; 8 Need; 11 UFO; 12 Nest; 15 Roof; 16 Lima; 17 Nike; 18 Mix.

Down: 1 Bonn; 2 Glue; 3 Boston; 4 Dim; 7 Ants; 9 Echo; 10 Duffle; 13 Edam; 14 Twix; 15 Run.