6 letter words:
faecal11,
5 letter words:
fecal10,
4 letter words:
cafe9,
calf9,
clef9,
face9,
alef7,
alfa7,
feal7,
flea7,
leaf7,
alec6,
lace6,
alae4,
3 letter words:
elf6,
ace5,
cel5,
lac5,
aal3,
ala3,
ale3,
lea3,
2 letter words:
ef5,
fa5,
fe5,
aa2,
ae2,
al2,
el2,
la2,