5 letter words:
frack14,
carks11,
racks11,
scarf10,
4 letter words:
kafs11,
cark10,
cask10,
rack10,
sack10,
arks8,
ksar8,
sark8,
arfs7,
fars7,
fras7,
arcs6,
cars6,
scar6,
3 letter words:
kaf10,
ark7,
ask7,
kas7,
ska7,
arf6,
far6,
fas6,
fra6,
arc5,
car5,
sac5,
ars3,
ras3,
sar3,
2 letter words:
ka6,
fa5,
ar2,
as2,