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