7 letter words:
cupfuls14,
cupsful14,
6 letter words:
cupful13,
5 letter words:
fucus10,
sculp9,
lupus7,
pulus7,
4 letter words:
fusc9,
cups8,
cusp8,
scup8,
flus7,
plus6,
puls6,
pulu6,
scul6,
sulu4,
ulus4,
3 letter words:
cup7,
flu6,
plu5,
pul5,
pus5,
sup5,
ups5,
ulu3,
2 letter words:
up4,
us2,
