9 letter words:
berserker15,
7 letter words:
berserk13,
reekers11,
6 letter words:
breeks12,
kreese10,
reeker10,
reseek10,
seeker10,
breers8,
breese8,
breres8,
5 letter words:
berks11,
kerbs11,
esker9,
reeks9,
rekes9,
skeer9,
beers7,
beres7,
besee7,
breer7,
brees7,
brere7,
brers7,
resee5,
serer5,
serre5,
4 letter words:
berk10,
kebs10,
kerb10,
ekes8,
erks8,
reek8,
reke8,
seek8,
serk8,
skee8,
sker8,
beer6,
bees6,
bere6,
bree6,
brer6,
brrr6,
rebs6,
eres4,
errs4,
rees4,
seer4,
sere4,
serr4,
3 letter words:
keb9,
eek7,
eke7,
erk7,
bee5,
bes5,
brr5,
reb5,
ere3,
err3,
ers3,
ree3,
res3,
see3,
ser3,
2 letter words:
be4,
ee2,
er2,
es2,
re2,