5 letter words:
spitz16,
pubis9,
situp7,
4 letter words:
putz15,
zips15,
zits13,
bibs8,
bubs8,
pubs8,
sibb8,
bits6,
bust6,
buts6,
pits6,
ptui6,
puts6,
spit6,
stub6,
tips6,
tubs6,
tups6,
suit4,
tuis4,
3 letter words:
biz14,
zip14,
zit12,
bib7,
bub7,
pub7,
bis5,
bit5,
bus5,
but5,
pis5,
pit5,
piu5,
psi5,
pst5,
pus5,
put5,
sib5,
sip5,
sub5,
sup5,
tip5,
tub5,
tup5,
ups5,
its3,
sit3,
tis3,
tui3,
uts3,
2 letter words:
bi4,
pi4,
up4,
is2,
it2,
si2,
ti2,
us2,
ut2,