6 letter words:
cracks14,
5 letter words:
crack13,
carks11,
racks11,
4 letter words:
cark10,
cask10,
rack10,
sack10,
arks8,
ksar8,
sark8,
arcs6,
cars6,
scar6,
3 letter words:
ark7,
ask7,
kas7,
ska7,
arc5,
car5,
sac5,
ars3,
ras3,
sar3,
2 letter words:
ka6,
ar2,
as2,