5 letter words:
coups9,
conus7,
uncos7,
4 letter words:
cops8,
coup8,
cups8,
cusp8,
scop8,
scup8,
cons6,
opus6,
pons6,
puns6,
soup6,
spun6,
unco6,
upon6,
nous4,
onus4,
3 letter words:
cop7,
cup7,
con5,
cos5,
ops5,
pun5,
pus5,
sop5,
sup5,
upo5,
ups5,
nos3,
nus3,
ons3,
son3,
sou3,
sun3,
uns3,
2 letter words:
op4,
up4,
no2,
nu2,
on2,
os2,
so2,
un2,
us2,