Real world company prefixes

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M n O P Q R S T U V W X Y Z Ø

H& H0 H1 H2 H3 H4 H5 H6 H7 H8 H9 HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HO HP HQ HR HS HT HU HV HW HX HY HZ

HEA HEB HEC HED HEE HEF HEG HEH HEI HEJ HEK HEL HEM HEN HEO HEP HEQ HER HES HET HEV HEW HEX HEY HEZ

HEXA HEXC HEXD HEXG HEXH HEXI HEXJ HEXL HEXO HEXP HEXQ HEXS HEXU