5 letter words:
gurns6,
rungs6,
4 letter words:
gnus5,
guns5,
gurn5,
gurs5,
rugs5,
rung5,
snug5,
sung5,
nurs4,
runs4,
urns4,
3 letter words:
gnu4,
gun4,
gur4,
gus4,
rug4,
ugs4,
nur3,
nus3,
run3,
sun3,
sur3,
uns3,
urn3,
2 letter words:
gu3,
ug3,
nu2,
un2,
ur2,
us2,
