9 letter words:
focussing15,
8 letter words:
focusing14,
7 letter words:
fussing11,
congius10,
cosigns10,
cussing10,
fusions10,
cousins9,
sousing8,
6 letter words:
fungic12,
fugios10,
fusing10,
gonifs10,
coigns9,
cosign9,
fusion9,
incogs9,
cousin8,
scions8,
sonics8,
gnosis7,
5 letter words:
coifs10,
cuifs10,
ficus10,
fiscs10,
focus10,
fugio9,
fungi9,
fungo9,
gonif9,
coign8,
cuing8,
finos8,
foins8,
incog8,
infos8,
cions7,
coins7,
conus7,
cusso7,
icons7,
incus7,
scion7,
sonic7,
uncos7,
signs6,
sings6,
snogs6,
snugs6,
songs6,
suing6,
using6,
nisus5,
sinus5,
4 letter words:
coif9,
cuif9,
fico9,
fisc9,
foci9,
fuci9,
figs8,
fogs8,
fugs8,
cigs7,
cogs7,
fino7,
fins7,
foin7,
fons7,
foss7,
funs7,
fuss7,
info7,
cion6,
coin6,
coni6,
cons6,
coss6,
cuss6,
icon6,
sics6,
unci6,
unco6,
gins5,
gnus5,
guns5,
nogs5,
sign5,
sing5,
snog5,
snug5,
song5,
sung5,
ions4,
nous4,
onus4,
sins4,
sons4,
sous4,
suns4,
3 letter words:
fig7,
fog7,
fug7,
cig6,
cog6,
fin6,
fon6,
fou6,
fun6,
ifs6,
cis5,
con5,
cos5,
sic5,
gin4,
gnu4,
gos4,
gun4,
nog4,
ins3,
ion3,
nos3,
nus3,
ons3,
sin3,
sis3,
son3,
sos3,
sou3,
sun3,
uns3,
2 letter words:
if5,
of5,
go3,
in2,
is2,
no2,
nu2,
oi2,
on2,
os2,
si2,
so2,
un2,
us2,