11 letter words:
inofficious19,
9 letter words:
officious17,
8 letter words:
soffioni14,
7 letter words:
coffins15,
cuffins15,
6 letter words:
coffin14,
cuffin14,
ficins11,
unific11,
foison9,
fusion9,
coosin8,
cousin8,
ionics8,
5 letter words:
coffs13,
cuffo13,
cuffs13,
scoff13,
scuff13,
niffs11,
nuffs11,
sniff11,
snuff11,
coifs10,
confs10,
coofs10,
cuifs10,
ficin10,
ficos10,
ficus10,
focus10,
finis8,
finos8,
foins8,
infos8,
cions7,
coins7,
conus7,
coons7,
icons7,
incus7,
ionic7,
oncus7,
scion7,
sonic7,
uncos7,
4 letter words:
coff12,
cuff12,
fifi10,
niff10,
nuff10,
offs10,
coif9,
conf9,
coof9,
cuif9,
fico9,
fisc9,
foci9,
fuci9,
fusc9,
fini7,
fino7,
fins7,
foin7,
fons7,
fous7,
funs7,
info7,
oofs7,
ufos7,
cion6,
coin6,
coni6,
cons6,
coon6,
coos6,
icon6,
unci6,
unco6,
ions4,
nisi4,
nous4,
onos4,
onus4,
oons4,
soon4,
unis4,
3 letter words:
iff9,
off9,
fin6,
fon6,
fou6,
fun6,
ifs6,
oof6,
sif6,
ufo6,
cis5,
con5,
coo5,
cos5,
sic5,
soc5,
ins3,
ion3,
ios3,
iso3,
nis3,
noo3,
nos3,
nus3,
ono3,
ons3,
oon3,
oos3,
ous3,
sin3,
son3,
sou3,
sui3,
sun3,
uni3,
uns3,
2 letter words:
if5,
of5,
in2,
io2,
is2,
no2,
nu2,
oi2,
on2,
oo2,
os2,
ou2,
si2,
so2,
un2,
us2,