5 letter words:
forze17,
froze17,
offer11,
reffo11,
4 letter words:
zero13,
fore7,
froe7,
orfe7,
3 letter words:
fez15,
rez12,
eff9,
off9,
erf6,
fer6,
foe6,
for6,
fro6,
orf6,
ref6,
ore3,
reo3,
roe3,
2 letter words:
zo11,
ef5,
fe5,
of5,
er2,
oe2,
or2,
re2,