9 letter words:
obstructs13,
8 letter words:
obstruct12,
7 letter words:
scrutos9,
turbots9,
strouts7,
6 letter words:
courbs10,
scrubs10,
brusts8,
bursts8,
costus8,
cottus8,
courts8,
crouts8,
crusts8,
custos8,
robust8,
scours8,
scouts8,
scruto8,
sorbus8,
turbos8,
turbot8,
rousts6,
stours6,
stouts6,
strout6,
struts6,
sturts6,
sutors6,
trouts6,
trusts6,
tussor6,
tutors6,
5 letter words:
courb9,
curbs9,
scrub9,
borts7,
botts7,
bouts7,
brust7,
bruts7,
burst7,
busts7,
butts7,
costs7,
cotts7,
cours7,
court7,
cross7,
crost7,
crout7,
crust7,
curst7,
cusso7,
cutto7,
scots7,
scour7,
scout7,
scurs7,
scuts7,
sorbs7,
souct7,
stobs7,
stubs7,
torcs7,
turbo7,
ousts5,
rosts5,
roust5,
routs5,
rusts5,
sorts5,
sorus5,
sours5,
souts5,
stots5,
stour5,
stout5,
strut5,
sturt5,
sutor5,
torts5,
torus5,
tours5,
touts5,
trots5,
trout5,
truss5,
trust5,
tutor5,
4 letter words:
cobs8,
cubs8,
curb8,
bors6,
bort6,
boss6,
bots6,
bott6,
bout6,
bros6,
brus6,
brut6,
burs6,
buss6,
bust6,
buts6,
butt6,
cors6,
coss6,
cost6,
cots6,
cott6,
cour6,
crus6,
curs6,
curt6,
cuss6,
cuts6,
orbs6,
orcs6,
robs6,
rocs6,
rubs6,
rucs6,
scot6,
scur6,
scut6,
sobs6,
socs6,
sorb6,
stob6,
stub6,
subs6,
tocs6,
torc6,
tubs6,
urbs6,
orts4,
ours4,
oust4,
outs4,
rost4,
rots4,
rout4,
rust4,
ruts4,
sort4,
sots4,
sour4,
sous4,
sout4,
stot4,
tors4,
tort4,
toss4,
tost4,
tots4,
tour4,
tout4,
trot4,
tuts4,
3 letter words:
cob7,
cub7,
bor5,
bos5,
bot5,
bro5,
bru5,
bur5,
bus5,
but5,
cor5,
cos5,
cot5,
cru5,
cur5,
cut5,
obs5,
orb5,
orc5,
rob5,
roc5,
rub5,
ruc5,
sob5,
soc5,
sub5,
toc5,
tub5,
urb5,
ors3,
ort3,
our3,
ous3,
out3,
rot3,
rut3,
sos3,
sot3,
sou3,
sur3,
sus3,
tor3,
tot3,
tut3,
uts3,
2 letter words:
bo4,
ob4,
or2,
os2,
ou2,
so2,
st2,
to2,
ur2,
us2,
ut2,
