7 letter words:
wispily15,
5 letter words:
wispy13,
wilis8,
pilis7,
4 letter words:
wily10,
ywis10,
pily9,
wisp9,
yips9,
iwis7,
syli7,
wili7,
lips6,
lisp6,
pili6,
slip6,
3 letter words:
swy9,
ply8,
spy8,
yip8,
iwi6,
sly6,
wis6,
lip5,
pis5,
psi5,
sip5,
lis3,
2 letter words:
pi4,
is2,
li2,
si2,