7 letter words:
heifers13,
6 letter words:
fisher12,
heifer12,
sherif12,
frisee9,
hirees9,
5 letter words:
fresh11,
feres8,
fires8,
frees8,
fries8,
frise8,
heirs8,
heres8,
hiree8,
hires8,
reefs8,
reifs8,
serif8,
sheer8,
shier8,
shire8,
siree5,
4 letter words:
fehs10,
fish10,
fees7,
fere7,
fire7,
firs7,
free7,
heir7,
here7,
hers7,
hies7,
hire7,
reef7,
refs7,
reif7,
resh7,
rife7,
rifs7,
seif7,
serf7,
shri7,
ires4,
rees4,
reis4,
rise4,
seer4,
sere4,
sire4,
3 letter words:
feh9,
efs6,
fee6,
fer6,
fes6,
fie6,
fir6,
her6,
hes6,
hie6,
his6,
ifs6,
ref6,
rif6,
she6,
ere3,
ers3,
ire3,
ree3,
rei3,
res3,
see3,
sei3,
ser3,
sir3,
sri3,
2 letter words:
ef5,
eh5,
fe5,
he5,
hi5,
if5,
sh5,
er2,
es2,
is2,
re2,
si2,