4 letter words:
fork11,
wark11,
wauk11,
work11,
frow10,
kora8,
okra8,
raku8,
faro7,
fora7,
four7,
waur7,
3 letter words:
kaf10,
wok10,
ark7,
auk7,
koa7,
kor7,
oak7,
oka7,
arf6,
far6,
for6,
fou6,
fro6,
fur6,
oaf6,
raw6,
row6,
war6,
oar3,
ora3,
our3,
2 letter words:
ka6,
aw5,
fa5,
of5,
ow5,
wo5,
ar2,
or2,