5 letter words:
chefs13,
pechs12,
perch12,
fresh11,
4 letter words:
chef12,
pech11,
fehs10,
pehs9,
ceps8,
pecs8,
spec8,
hers7,
refs7,
resh7,
serf7,
recs6,
reps6,
3 letter words:
feh9,
hep8,
peh8,
cep7,
pec7,
efs6,
fer6,
fes6,
her6,
hes6,
ref6,
she6,
per5,
pes5,
rec5,
rep5,
sec5,
ers3,
res3,
ser3,
2 letter words:
ef5,
eh5,
fe5,
he5,
sh5,
pe4,
er2,
es2,
re2,