6 letter words:
forker13,
korero10,
reroof9,
roofer9,
5 letter words:
forze17,
froze17,
zorro14,
roker9,
frore8,
4 letter words:
zerk17,
ooze13,
orzo13,
zero13,
fork11,
kerf11,
kero8,
kore8,
koro8,
roke8,
rook8,
fore7,
froe7,
orfe7,
roof7,
rore4,
3 letter words:
zek16,
fez15,
rez12,
zoo12,
kef10,
erk7,
kor7,
oke7,
rok7,
erf6,
fer6,
foe6,
for6,
fro6,
oof6,
orf6,
ref6,
err3,
oor3,
ore3,
reo3,
roe3,
roo3,
2 letter words:
zo11,
ko6,
ef5,
fe5,
of5,
er2,
oe2,
oo2,
or2,
re2,