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

O& O2 O3 O4 O5 O6 O7 O8 O9 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OO OP OQ OR OS OT OU OV OW OX OY OZ

OIA OIB OIC OID OIE OIF OIG OII OIL OIM OIN OIP OIR OIS OIT OIU OIX

OILC OILE OILF OILI OILJ OILL OILM OILO OILQ OILS OILT OILU OILW OILX

OILCO