I'll try to stick to no more than three from each group -

Sporting - Golden retrievers, Labs, Cocker spaniels
Hounds - Beagles, Bassets
Working - Bernese Mountain Dogs, St. Bernards
Terriers - West Highlands, Min. Schnauzers, Cairns
Toy - Toy Poodles, Pugs, Yorkies, Maltese (oops! sorry there's 4!)
Non-Sporting - Standard Poodles , Miniature Poodles, American Eskimos
Herding - GSDs, Border Collies, Collies