7 letter words:
biotics11,
oboists9,
ostosis7,
6 letter words:
biotic10,
boosts8,
oboist8,
oobits8,
scoots8,
stoics8,
sissoo6,
5 letter words:
bitos7,
boost7,
boots7,
cists7,
coits7,
coost7,
coots7,
costs7,
obiit7,
obits7,
oobit7,
scoot7,
scots7,
stobs7,
stoic7,
tocos7,
sists5,
soots5,
stoss5,
4 letter words:
cobs8,
bios6,
bist6,
bito6,
bits6,
bois6,
boos6,
boot6,
boss6,
bots6,
cist6,
cito6,
cits6,
coit6,
coos6,
coot6,
coss6,
cost6,
cots6,
ibis6,
obis6,
obit6,
obos6,
otic6,
scot6,
sibs6,
sics6,
sobs6,
socs6,
stob6,
tics6,
toco6,
tocs6,
isit4,
isos4,
oots4,
siss4,
sist4,
sits4,
soot4,
soss4,
sots4,
toss4,
3 letter words:
cob7,
bio5,
bis5,
bit5,
boi5,
boo5,
bos5,
bot5,
cis5,
cit5,
coo5,
cos5,
cot5,
obi5,
obo5,
obs5,
sib5,
sic5,
sob5,
soc5,
tic5,
toc5,
ios3,
iso3,
its3,
oos3,
oot3,
sis3,
sit3,
sos3,
sot3,
tis3,
too3,
2 letter words:
bi4,
bo4,
ob4,
io2,
is2,
it2,
oi2,
oo2,
os2,
si2,
so2,
st2,
ti2,
to2,