9 letter words:
paperback21,
7 letter words:
prepack17,
backare15,
breakup15,
parbake15,
upbreak15,
capuera11,
6 letter words:
backup16,
backer14,
backra14,
bucker14,
buckra14,
packer14,
pucker14,
reback14,
repack14,
capper12,
cauker12,
cupper12,
apercu10,
appear10,
pauper10,
rubace10,
upbear10,
bauera8,
5 letter words:
aback13,
brack13,
kappa13,
pucka13,
acker11,
apeak11,
baker11,
bakra11,
becap11,
brake11,
break11,
burka11,
burke11,
crake11,
creak11,
cuppa11,
kabar11,
kebar11,
parka11,
puker11,
acerb9,
apace9,
barca9,
brace9,
caber9,
cabre9,
caper9,
carap9,
crape9,
cuber9,
pacer9,
paper9,
pucer9,
pupae9,
rappe9,
recap9,
upper9,
abear7,
areca7,
arepa7,
parae7,
pareu7,
aurae5,
4 letter words:
back12,
beck12,
buck12,
pack12,
peck12,
puck12,
bake10,
bark10,
bauk10,
beak10,
berk10,
brak10,
buke10,
burk10,
cake10,
cark10,
cauk10,
cuke10,
kapa10,
kbar10,
kerb10,
krab10,
park10,
peak10,
perk10,
puka10,
puke10,
rack10,
reck10,
ruck10,
abac8,
arak8,
bapu8,
barp8,
burp8,
caba8,
capa8,
cape8,
carb8,
carp8,
caup8,
crab8,
crap8,
cube8,
curb8,
kara8,
paca8,
pace8,
papa8,
pape8,
parp8,
peba8,
perp8,
prep8,
pube8,
puce8,
pupa8,
rake8,
raku8,
reak8,
repp8,
acer6,
acre6,
aper6,
arba6,
arpa6,
bare6,
baur6,
bear6,
beau6,
brae6,
bura6,
care6,
crue6,
cure6,
ecru6,
para6,
pare6,
paua6,
pear6,
prau6,
puer6,
pure6,
raca6,
race6,
rape6,
reap6,
rube6,
area4,
aura4,
urea4,
3 letter words:
kab9,
keb9,
kep9,
aka7,
ake7,
app7,
ark7,
auk7,
bac7,
bap7,
cab7,
cap7,
cep7,
cub7,
cup7,
erk7,
euk7,
kae7,
kea7,
kue7,
pac7,
pap7,
pec7,
pep7,
pub7,
pup7,
uke7,
aba5,
ace5,
ape5,
arb5,
arc5,
baa5,
bar5,
bra5,
bru5,
bur5,
caa5,
car5,
cru5,
cue5,
cur5,
ecu5,
par5,
pea5,
per5,
pre5,
pur5,
rap5,
reb5,
rec5,
rep5,
rub5,
ruc5,
urb5,
urp5,
are3,
aua3,
aue3,
ear3,
eau3,
era3,
rue3,
ure3,
2 letter words:
ka6,
ab4,
ba4,
be4,
pa4,
pe4,
up4,
aa2,
ae2,
ar2,
ea2,
er2,
re2,
ur2,