5 letter words:
rusks9,
serks9,
skers9,
ruses5,
russe5,
suers5,
sures5,
users5,
4 letter words:
keks12,
erks8,
euks8,
kues8,
rusk8,
serk8,
sker8,
suks8,
ukes8,
rues4,
ruse4,
sers4,
suer4,
sues4,
sure4,
ures4,
user4,
uses4,
3 letter words:
erk7,
euk7,
kue7,
suk7,
uke7,
ers3,
ess3,
res3,
rue3,
ser3,
sue3,
sur3,
sus3,
ure3,
use3,
2 letter words:
er2,
es2,
re2,
ur2,
us2,