6 letter words:
backup16,
bipack16,
buckra14,
5 letter words:
brick13,
prick13,
pucka13,
burka11,
krubi11,
pubic11,
baric9,
carpi9,
kauri9,
rabic9,
auric7,
curia7,
urbia7,
4 letter words:
back12,
buck12,
pack12,
pick12,
puck12,
bark10,
birk10,
cark10,
kbar10,
paik10,
park10,
pika10,
rack10,
rick10,
ruck10,
burp8,
carb8,
carp8,
crab8,
crap8,
crib8,
curb8,
pica8,
raki8,
raku8,
abri6,
bura6,
pair6,
prau6,
puri6,
uric6,
3 letter words:
ick9,
kab9,
kip9,
ark7,
auk7,
bap7,
cab7,
cap7,
cub7,
cup7,
irk7,
kir7,
pac7,
pic7,
pub7,
arb5,
arc5,
bar5,
bra5,
bur5,
car5,
cru5,
cur5,
par5,
pia5,
piu5,
pur5,
rap5,
rib5,
rip5,
rub5,
urb5,
urp5,
air3,
rai3,
ria3,
2 letter words:
ka6,
ki6,
ab4,
ba4,
bi4,
pa4,
pi4,
up4,
ai2,
ar2,