5 letter words:
kabob13,
abbot9,
korat9,
tarok9,
troak9,
abort7,
boart7,
tabor7,
4 letter words:
bark10,
bork10,
kbar10,
barb8,
kart8,
kora8,
okra8,
boar6,
boat6,
bora6,
bort6,
bota6,
brat6,
rato4,
rota4,
taro4,
tora4,
3 letter words:
kab9,
kob9,
ark7,
bob7,
kat7,
koa7,
kor7,
oak7,
oka7,
abo5,
arb5,
bar5,
bat5,
boa5,
bot5,
bra5,
bro5,
oba5,
orb5,
rob5,
tab5,
art3,
oar3,
oat3,
ora3,
ort3,
rat3,
rot3,
tao3,
tar3,
tor3,
2 letter words:
ka6,
ab4,
ba4,
bo4,
ar2,
at2,
or2,
ta2,
to2,