6 letter words:
frocks15,
5 letter words:
frock14,
forks12,
corks11,
rocks11,
4 letter words:
fork11,
cork10,
rock10,
sock10,
corf9,
kors8,
cors6,
orcs6,
rocs6,
3 letter words:
kor7,
kos7,
for6,
fro6,
cor5,
cos5,
orc5,
roc5,
ors3,
2 letter words:
of5,
or2,
os2,
so2,