dual:0
dubious:40
duchess:94
duck:113
duckling:244
dudgeon:257
due:268
duet:559
dug:605
duke:625
dukedom:638
dull:659
dullness:810
duly:851
dumb:881
dummy:905
dump:967
dumping:1083
dumps:1098
dun:1135
dunce:1199
dune:1212
dung:1221
dungeon:1259
duplicate:1291
duplicity:1425
durable:1448
duration:1492
duress:1527
duresse:1550
during:1573
dusk:1613
dusky:1628
dust:1664
dust-bin:1716
duster:1742
dusty:1770
Dutch:1785
duty:1869
duty-free:1935