5 letter words:
wispy13,
4 letter words:
sizy16,
zips15,
ywis10,
wisp9,
yips9,
yups9,
yids8,
dips7,
dups7,
puds7,
spud7,
3 letter words:
wiz15,
zip14,
spy8,
yip8,
yup8,
wud7,
yid7,
dip6,
dup6,
pud6,
wis6,
pis5,
piu5,
psi5,
pus5,
sip5,
sup5,
ups5,
dis4,
dui4,
ids4,
2 letter words:
pi4,
up4,
id3,
is2,
si2,
us2,