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

HHA HHB HHC HHD HHE HHF HHG HHH HHI HHJ HHK HHL HHM HHN HHO HHP HHQ HHR HHS HHT HHU HHV HHW HHX HHy

HHRI HHRL HHRR HHRS HHRU HHRV HHRX