7 letter words:
blunger10,
bungler10,
6 letter words:
blunge9,
bugler9,
bulger9,
bunger9,
bungle9,
burger9,
burgle9,
burler8,
burner8,
burrel8,
lunger7,
5 letter words:
begun8,
brung8,
bugle8,
bulge8,
gebur8,
bluer7,
brule7,
rubel7,
ruble7,
gluer6,
gruel6,
luger6,
lunge6,
regur6,
urger6,
lurer5,
rerun5,
ruler5,
4 letter words:
berg7,
bung7,
burg7,
grub7,
blue6,
blur6,
bren6,
brer6,
burl6,
burn6,
burr6,
lube6,
rube6,
unbe6,
genu5,
glen5,
glue5,
gren5,
grue5,
gule5,
gurl5,
gurn5,
leng5,
luge5,
lung5,
rung5,
urge5,
lune4,
lure4,
nurl4,
nurr4,
ruer4,
rule4,
rune4,
3 letter words:
beg6,
bug6,
gub6,
bel5,
ben5,
brr5,
bru5,
bun5,
bur5,
neb5,
nub5,
reb5,
rub5,
urb5,
eng4,
erg4,
gel4,
gen4,
gnu4,
gue4,
gul4,
gun4,
gur4,
leg4,
lug4,
neg4,
reg4,
rug4,
ern3,
err3,
leu3,
lur3,
nur3,
ren3,
rue3,
run3,
ule3,
ure3,
urn3,
2 letter words:
be4,
gu3,
ug3,
el2,
en2,
er2,
ne2,
nu2,
re2,
un2,
ur2,