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

HEAA HEAB HEAC HEAD HEAG HEAH HEAI HEAO HEAP HEAQ HEAR HEAX HEAY

HEAGB