# grep -B 2 '([12][7-9][0-9][0-9]' en.txt  | grep '^        [A-Z].*{' | \
# sort | uniq | sed 's/^.*\([A-Z]\{3\}\){/\1/' > currencies_to_drop.list
AFA
ALK
AOK
AON
AOR
ARL
ARM
ARP
AZM
BAD
BAN
BGO
BOL
BRB
BRC
BRE
BRN
BRR
BRZ
BYB
GHC
ILR
ISJ
KRH
KRO
MKN
MXP
MZM
NIC
PES
PLZ
ROL
RUR
SDD
SDP
TMM
TRL
UGS
UYP
VEB
VNN
YUD
YUM
YUN
YUR
ZMK
ZRN
ZRZ
ZWD