5 letter words:
piker11,
liker9,
peril7,
plier7,
4 letter words:
kelp10,
kepi10,
perk10,
pike10,
keir8,
kier8,
like8,
lipe6,
peri6,
pier6,
pile6,
plie6,
ripe6,
lier4,
lire4,
riel4,
rile4,
3 letter words:
kep9,
kip9,
elk7,
ilk7,
irk7,
kir7,
lek7,
lip5,
per5,
pie5,
rep5,
rip5,
ire3,
lei3,
lie3,
rei3,
2 letter words:
ki6,
pe4,
pi4,
el2,
er2,
li2,
re2,