Size of muzzle: SL - Saluki BG - Beagle D1 - Doberman big EB1 - English Bulldog small GSD - German Shepherd 2 BX - Boxer DBD - Dogue de Bordeaux EM1 - English Mastiff large R - Rottweiler 3 A - Amstaff D0 - Doberman small bitch DH - Datchhund F1 - French Bulldog Big R1 - Rottweiler RR - Rodesian Ridgeback T - Terrier BM - Bullmastiff EB2 - big English bulldog, short snout big dogs BX1 - Boxer small DD - Great Dane EM2 - English Mastiff M - malinois SH - Shih Tzu B - Boston Terrier BC - Border Collie EB - English Bulldog F2 - French Bulldog Big EM - English Mastiff P - Pitbull D - Doberman small DD1 - Great Dane small F - French Bulldog medium 1 RB - Russian Borzoi