5 letter words:
frape10,
frena8,
arpen7,
4 letter words:
frap9,
fane7,
fare7,
fear7,
fern7,
frae7,
aper6,
nape6,
neap6,
pane6,
pare6,
pean6,
pear6,
pern6,
rape6,
reap6,
earn4,
nare4,
near4,
rean4,
3 letter words:
fap8,
arf6,
erf6,
fae6,
fan6,
far6,
fen6,
fer6,
fra6,
nef6,
ref6,
ape5,
nap5,
nep5,
pan5,
par5,
pea5,
pen5,
per5,
pre5,
rap5,
rep5,
ane3,
are3,
ean3,
ear3,
era3,
ern3,
nae3,
ran3,
ren3,
2 letter words:
ef5,
fa5,
fe5,
pa4,
pe4,
ae2,
an2,
ar2,
ea2,
en2,
er2,
na2,
ne2,
re2,