Size of muzzle: RR - Rodesian Ridgeback EB2 - big English bulldog, short snout big dogs BM - Bullmastiff P - Pitbull T - Terrier EM2 - English Mastiff BX1 - Boxer small DD - Great Dane F2 - French Bulldog Big B - Boston Terrier BC - Border Collie EB - English Bulldog SH - Shih Tzu EM - English Mastiff R - Rottweiler F - French Bulldog D - Doberman small DD1 - Great Dane small R1 - Rottweiler RB - Russian Borzoi GSD - German Shepherd BG - Beagle D1 - Doberman big EB1 - English Bulldog small SL - Saluki EM1 - English Mastiff BX - Boxer DBD - Dogue de Bordeaux M - malinois F1 - French Bulldog Big A - Amstaff D0 - Doberman small bitch DH - Datchhund