5 letter words:
beech12,
bench12,
fence10,
heben10,
hence10,
4 letter words:
chef12,
beef9,
eche9,
eech9,
feeb9,
hebe9,
feen7,
been6,
bene6,
3 letter words:
eff9,
feh9,
che8,
ech8,
fee6,
fen6,
hen6,
nef6,
bee5,
ben5,
cee5,
neb5,
een3,
ene3,
nee3,
2 letter words:
ch7,
ef5,
eh5,
fe5,
he5,
be4,
ee2,
en2,
ne2,