6 letter words:
prefer11,
fearer9,
reefer9,
reaper8,
rearer6,
5 letter words:
farer8,
freer8,
frere8,
refer8,
parer7,
perea7,
raper7,
rarer5,
4 letter words:
frap9,
fare7,
fear7,
fere7,
frae7,
free7,
reef7,
aper6,
epee6,
pare6,
parr6,
pear6,
peer6,
pere6,
pree6,
rape6,
reap6,
rare4,
rear4,
3 letter words:
arf6,
far6,
fee6,
fer6,
ref6,
ape5,
par5,
pea5,
pee5,
per5,
rap5,
rep5,
are3,
ear3,
era3,
ere3,
err3,
ree3,
2 letter words:
ef5,
fa5,
fe5,
pa4,
pe4,
ae2,
ar2,
er2,
re2,