4 letter words:
flap9,
pelf9,
alef7,
feal7,
feel7,
flea7,
flee7,
leaf7,
leap6,
pale6,
peal6,
peel6,
pele6,
plea6,
alee4,
3 letter words:
elf6,
fee6,
alp5,
ape5,
lap5,
pal5,
pea5,
pee5,
ale3,
eel3,
lea3,
lee3,
2 letter words:
ef5,
fa5,
fe5,
pa4,
pe4,
ae2,
al2,
el2,
la2,