7 letter words:
freshet13,
hefters13,
6 letter words:
hefter12,
ethers9,
fester9,
freest9,
theres9,
threes9,
5 letter words:
fresh11,
hefts11,
ether8,
feres8,
fetes8,
frees8,
frets8,
heres8,
reefs8,
sheer8,
sheet8,
there8,
these8,
three8,
ester5,
reest5,
reset5,
steer5,
stere5,
terse5,
trees5,
4 letter words:
fehs10,
heft10,
efts7,
eths7,
fees7,
feet7,
fere7,
fest7,
fete7,
fets7,
free7,
fret7,
here7,
hers7,
hest7,
hets7,
reef7,
refs7,
reft7,
resh7,
serf7,
thee7,
tref7,
erst4,
rees4,
rest4,
rete4,
rets4,
seer4,
sere4,
tees4,
tree4,
tres4,
3 letter words:
feh9,
efs6,
eft6,
eth6,
fee6,
fer6,
fes6,
fet6,
her6,
hes6,
het6,
ref6,
she6,
the6,
ere3,
ers3,
ree3,
res3,
ret3,
see3,
ser3,
set3,
tee3,
2 letter words:
ef5,
eh5,
fe5,
he5,
sh5,
er2,
es2,
et2,
re2,