7 letter words:
crupper13,
6 letter words:
cupper12,
5 letter words:
pucer9,
upper9,
curer7,
purer7,
recur7,
4 letter words:
prez15,
perp8,
prep8,
puce8,
repp8,
crue6,
cure6,
curr6,
ecru6,
puer6,
pure6,
purr6,
rurp6,
ruer4,
3 letter words:
cuz14,
zep14,
rez12,
cep7,
cup7,
pec7,
pep7,
pup7,
cru5,
cue5,
cur5,
ecu5,
per5,
pre5,
pur5,
rec5,
rep5,
ruc5,
urp5,
err3,
rue3,
ure3,
2 letter words:
pe4,
up4,
er2,
re2,
ur2,