5 letter words:
kreng10,
4 letter words:
geck11,
guck11,
cuke10,
neck10,
reck10,
ruck10,
gunk9,
kern8,
knur8,
kune8,
nerk8,
neuk8,
nuke8,
renk8,
crue6,
cure6,
curn6,
ecru6,
unce6,
genu5,
gren5,
grue5,
gurn5,
rung5,
urge5,
rune4,
3 letter words:
keg8,
erk7,
euk7,
ken7,
kue7,
nek7,
uke7,
cru5,
cue5,
cur5,
ecu5,
rec5,
ruc5,
eng4,
erg4,
gen4,
gnu4,
gue4,
gun4,
gur4,
neg4,
reg4,
rug4,
ern3,
nur3,
ren3,
rue3,
run3,
ure3,
urn3,
2 letter words:
gu3,
ug3,
en2,
er2,
ne2,
nu2,
re2,
un2,
ur2,