mau

Massachusetts

mou

Missouri

mbc

Manitoba

mp

Mongolia

mc

Monaco

mq

Martinique

mdu

Maryland

mr

Morocco

meu

Maine

msu

Mississippi

mf

Mauritius

mtu

Montana

mg

Madagascar

mu

Mauritania

-mh

Macao

mv

Moldova

miu

Michigan

-mvr

Moldavian S.S.R.

mj

Montserrat

mw

Malawi

mk

Oman

mx

Mexico

ml

Mali

my

Malaysia

mm

Malta

mz

Mozambique

mnu

Minnesota