5 letter words:
panne7,
penna7,
4 letter words:
fane7,
nape6,
neap6,
pane6,
pean6,
nane4,
3 letter words:
fap8,
fae6,
fan6,
fen6,
nef6,
ape5,
nap5,
nep5,
pan5,
pea5,
pen5,
ane3,
ann3,
ean3,
nae3,
nan3,
2 letter words:
ef5,
fa5,
fe5,
pa4,
pe4,
ae2,
an2,
ea2,
en2,
na2,
ne2,