Real world company prefixes

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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

OUA OUB OUC OUE OUF OUI OUL OUR OUS OUT

OUCH OUCO OUCX OUCZ