7 letter words:
prefund13,
6 letter words:
funked14,
funker13,
punker12,
dumper11,
dunker11,
frenum11,
funder10,
refund10,
pruned9,
5 letter words:
frump12,
puked12,
fremd11,
fumed11,
drunk10,
femur10,
fumer10,
nuked10,
umped10,
unfed9,
demur8,
drupe8,
duper8,
mured8,
perdu8,
prude8,
upend8,
urped8,
prune7,
rumen7,
nuder6,
under6,
4 letter words:
kemp12,
funk11,
kerf11,
merk10,
murk10,
perk10,
puke10,
punk10,
drek9,
duke9,
dump9,
dunk9,
fume9,
fend8,
feud8,
fund8,
kern8,
knur8,
kune8,
neuk8,
nuke8,
perm8,
rump8,
derm7,
drum7,
dupe7,
enuf7,
fern7,
mend7,
pend7,
menu6,
mure6,
neum6,
pure6,
dune5,
dure5,
durn5,
nerd5,
nude5,
nurd5,
rend5,
rude5,
rued5,
unde5,
rune4,
3 letter words:
kef10,
kep9,
fem8,
def7,
fed7,
fud7,
ken7,
kue7,
uke7,
ump7,
dup6,
fen6,
fer6,
feu6,
fun6,
fur6,
med6,
mud6,
ped6,
pud6,
ref6,
emu5,
men5,
mun5,
pen5,
per5,
pun5,
pur5,
rem5,
rep5,
rum5,
urp5,
den4,
due4,
dun4,
end4,
red4,
urd4,
ern3,
rue3,
run3,
urn3,
2 letter words:
ef5,
fe5,
em4,
me4,
mu4,
pe4,
um4,
up4,
de3,
ed3,
en2,
er2,
ne2,
nu2,
re2,
un2,