5 letter words:
crush10,
cusps9,
scups9,
spurs7,
4 letter words:
push9,
such9,
cups8,
cusp8,
scup8,
rhus7,
rush7,
crus6,
curs6,
cuss6,
purs6,
puss6,
spur6,
sups6,
urps6,
3 letter words:
hup8,
cup7,
cru5,
cur5,
pur5,
pus5,
sup5,
ups5,
urp5,
2 letter words:
sh5,
uh5,
up4,
us2,