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