5 letter words:
flack14,
fleck14,
flake12,
fecal10,
4 letter words:
feck13,
fake11,
flak11,
cake10,
calk10,
lack10,
cafe9,
calf9,
clef9,
face9,
kale8,
lake8,
leak8,
alef7,
feal7,
flea7,
leaf7,
alec6,
lace6,
3 letter words:
kaf10,
kef10,
elk7,
kae7,
kea7,
lek7,
elf6,
ace5,
cel5,
lac5,
ale3,
lea3,
2 letter words:
ka6,
ef5,
fa5,
fe5,
ae2,
al2,
el2,
la2,