5 letter words:
spook11,
poofs10,
poufs10,
spoof10,
kotos9,
stook9,
foots8,
tofus8,
pouts7,
spout7,
stoop7,
stoup7,
topos7,
4 letter words:
kops10,
fops9,
poof9,
pouf9,
koto8,
sook8,
souk8,
took8,
tusk8,
foot7,
soft7,
tofu7,
oops6,
opts6,
opus6,
poos6,
post6,
pots6,
pout6,
puts6,
soup6,
spot6,
stop6,
topo6,
tops6,
tups6,
oots4,
oust4,
outs4,
soot4,
3 letter words:
kop9,
fop8,
kos7,
suk7,
tsk7,
fou6,
oft6,
ops5,
opt5,
poo5,
pot5,
pst5,
pus5,
put5,
sop5,
sup5,
top5,
tup5,
upo5,
ups5,
oot3,
out3,
sot3,
sou3,
too3,
uts3,
2 letter words:
of5,
op4,
up4,
os2,
so2,
to2,
us2,
ut2,