9 letter words:
protocols13,
8 letter words:
protocol12,
topcross12,
7 letter words:
coplots11,
scroops11,
rotolos7,
6 letter words:
cloops10,
coopts10,
coplot10,
scoops10,
scroop10,
cloots8,
colors8,
corsos8,
crools8,
orlops8,
poorts8,
potoos8,
prosos8,
scoots8,
sloops8,
sopors8,
spools8,
spoors8,
spoots8,
sports8,
stoops8,
strops8,
troops8,
roosts6,
rotolo6,
sloots6,
sotols6,
stools6,
stoors6,
torsos6,
5 letter words:
cloop9,
clops9,
coops9,
coopt9,
corps9,
crops9,
scoop9,
scops9,
cloot7,
clots7,
color7,
colts7,
cools7,
coost7,
coots7,
corso7,
costs7,
crool7,
cross7,
crost7,
locos7,
loops7,
orlop7,
plots7,
polos7,
polts7,
pools7,
poort7,
poots7,
ports7,
posts7,
potoo7,
proso7,
pross7,
prost7,
roops7,
scoot7,
scots7,
sloop7,
slops7,
soops7,
sopor7,
spool7,
spoor7,
spoot7,
sport7,
spots7,
stoop7,
stops7,
strop7,
tocos7,
topos7,
torcs7,
troop7,
loots5,
lotos5,
roost5,
roots5,
rosts5,
rotls5,
rotos5,
sloot5,
slots5,
solos5,
sools5,
soots5,
sorts5,
sotol5,
stool5,
stoor5,
tools5,
toros5,
torso5,
4 letter words:
clop8,
coop8,
cops8,
crop8,
poco8,
scop8,
clot6,
cols6,
colt6,
cool6,
coos6,
coot6,
cors6,
coss6,
cost6,
cots6,
loco6,
loop6,
lops6,
oops6,
opts6,
orcs6,
plot6,
polo6,
pols6,
polt6,
pool6,
poor6,
poos6,
poot6,
port6,
poss6,
post6,
pots6,
proo6,
pros6,
psst6,
rocs6,
roop6,
scot6,
slop6,
socs6,
soop6,
sops6,
spot6,
stop6,
toco6,
tocs6,
topo6,
tops6,
torc6,
trop6,
loor4,
loos4,
loot4,
loss4,
lost4,
loto4,
lots4,
oots4,
orts4,
roos4,
root4,
rost4,
rotl4,
roto4,
rots4,
slot4,
solo4,
sols4,
sool4,
soot4,
sort4,
sots4,
tool4,
toro4,
tors4,
toss4,
3 letter words:
cop7,
col5,
coo5,
cor5,
cos5,
cot5,
lop5,
oop5,
ops5,
opt5,
orc5,
pol5,
poo5,
pos5,
pot5,
pro5,
pst5,
roc5,
soc5,
sop5,
toc5,
top5,
loo3,
lor3,
los3,
lot3,
oor3,
oos3,
oot3,
ors3,
ort3,
roo3,
rot3,
sol3,
sos3,
sot3,
too3,
tor3,
2 letter words:
op4,
po4,
lo2,
oo2,
or2,
os2,
so2,
st2,
to2,