7 letter words:
pigskin14,
spiking14,
6 letter words:
piking13,
skiing11,
siping9,
5 letter words:
pikis11,
pinks11,
ginks10,
kings10,
piing8,
pings8,
4 letter words:
kips10,
piki10,
pink10,
skip10,
spik10,
gink9,
king9,
inks8,
kins8,
sink8,
skin8,
gips7,
pigs7,
ping7,
nips6,
pins6,
snip6,
spin6,
gins5,
sign5,
sing5,
nisi4,
3 letter words:
kip9,
ink7,
kin7,
kis7,
ski7,
gip6,
pig6,
nip5,
pin5,
pis5,
psi5,
sip5,
gin4,
ins3,
sin3,
2 letter words:
ki6,
pi4,
in2,
is2,
si2,
