7 letter words:
perfuse12,
prefers12,
refuser10,
peruser9,
6 letter words:
prefer11,
spewer11,
freers9,
freres9,
refers9,
refuse9,
surfer9,
peruse8,
purees8,
purser8,
rupees8,
5 letter words:
fewer11,
sweep10,
weeps10,
ewers8,
feres8,
freer8,
frees8,
frere8,
fusee8,
reefs8,
refer8,
resew8,
sewer8,
sweer8,
peers7,
peres7,
perse7,
prees7,
prese7,
puree7,
purer7,
purrs7,
purse7,
rupee7,
speer7,
spree7,
sprue7,
super7,
reuse5,
ruers5,
serer5,
surer5,
4 letter words:
pews9,
spew9,
weep9,
ewer7,
ewes7,
fees7,
fere7,
feus7,
free7,
furs7,
fuse7,
reef7,
refs7,
serf7,
surf7,
weer7,
wees7,
were7,
peer6,
pees6,
pere6,
pree6,
pure6,
purr6,
purs6,
reps6,
seep6,
spue6,
spur6,
supe6,
urps6,
errs4,
rees4,
ruer4,
rues4,
ruse4,
seer4,
sere4,
suer4,
sure4,
user4,
3 letter words:
few9,
pew8,
efs6,
ewe6,
fee6,
fer6,
fes6,
feu6,
fur6,
ref6,
sew6,
wee6,
pee5,
per5,
pes5,
pur5,
pus5,
rep5,
sup5,
ups5,
urp5,
ere3,
err3,
ers3,
ree3,
res3,
rue3,
see3,
ser3,
sue3,
use3,
2 letter words:
ef5,
fe5,
we5,
pe4,
up4,
er2,
es2,
re2,
us2,