ISO standard two letter code

From Pasnp

AU - Australia
BD - Bangladesh
BR - Brunei
BT - Bhutan
CN - China
HK - Hong Kong
ID - Indonesia
IN - India
JP - Japan
KH - Cambodia
KR - Korea
LA - Laos
MM - Myanmar
MN - Mongolia
MY - Malaysia
NP - Nepal
NZ - New Zealand
PG - Papua New Guinea
PH - Philippines
SG - Singapore
TH - Thailand
TW - Taiwan
VN - Vietnam