9 letter words:
dumptruck20,
6 letter words:
cuprum12,
5 letter words:
crump11,
truck11,
cutup9,
trump9,
durum8,
4 letter words:
muck12,
puck12,
duck11,
murk10,
ruck10,
tuck10,
dump9,
kudu9,
kuru8,
rump8,
tump8,
turk8,
crud7,
curd7,
drum7,
duct7,
curt6,
turd5,
3 letter words:
cum7,
cup7,
ump7,
cud6,
dup6,
mud6,
pud6,
cru5,
cur5,
cut5,
mut5,
pur5,
put5,
rum5,
tup5,
urp5,
urd4,
rut3,
2 letter words:
mu4,
um4,
up4,
ut2,
