9 letter words:
frankfort19,
7 letter words:
affront13,
5 letter words:
frank12,
kraft12,
korat9,
krona9,
tarok9,
trank9,
troak9,
front8,
trona5,
4 letter words:
fork11,
naff10,
raff10,
toff10,
kaon8,
karn8,
kart8,
knar8,
knot8,
koan8,
kora8,
nark8,
okra8,
rank8,
tank8,
fano7,
faro7,
fart7,
font7,
fora7,
fort7,
frat7,
raft7,
nota4,
orra4,
rant4,
rato4,
roan4,
roar4,
rota4,
tarn4,
taro4,
tora4,
torn4,
torr4,
3 letter words:
kaf10,
aff9,
off9,
ark7,
kat7,
koa7,
kor7,
oak7,
oka7,
aft6,
arf6,
fan6,
far6,
fat6,
fon6,
for6,
fro6,
oaf6,
oft6,
ant3,
art3,
nor3,
not3,
oar3,
oat3,
ora3,
ort3,
ran3,
rat3,
rot3,
tan3,
tao3,
tar3,
ton3,
tor3,
2 letter words:
ka6,
fa5,
of5,
an2,
ar2,
at2,
na2,
no2,
on2,
or2,
ta2,
to2,