7 letter words:
catfall12,
5 letter words:
fatal8,
calla7,
4 letter words:
calf9,
fact9,
alfa7,
fall7,
flat7,
acta6,
call6,
talc6,
tala4,
tall4,
3 letter words:
aft6,
fat6,
act5,
cat5,
lac5,
aal3,
ala3,
all3,
alt3,
lat3,
2 letter words:
fa5,
aa2,
al2,
at2,
la2,
ta2,