7 letter words:
usucapt11,
6 letter words:
catsup10,
cutups10,
upcast10,
5 letter words:
caput9,
caups9,
cutup9,
pacts9,
scaup9,
patus7,
scuta7,
sputa7,
stupa7,
tapus7,
4 letter words:
caps8,
caup8,
cups8,
cusp8,
pacs8,
pact8,
scup8,
acts6,
apts6,
cast6,
cats6,
cuts6,
past6,
pats6,
patu6,
puts6,
scat6,
scut6,
spat6,
stap6,
taps6,
tapu6,
tups6,
upas6,
upta6,
saut4,
taus4,
utas4,
utus4,
3 letter words:
cap7,
cup7,
pac7,
act5,
apt5,
asp5,
cat5,
cut5,
pas5,
pat5,
pst5,
pus5,
put5,
sac5,
sap5,
spa5,
sup5,
tap5,
tup5,
ups5,
sat3,
sau3,
tas3,
tau3,
uta3,
uts3,
utu3,
2 letter words:
pa4,
up4,
as2,
at2,
st2,
ta2,
us2,
ut2,