5 letter words:
zibet16,
befit10,
4 letter words:
bize15,
ziti13,
beef9,
feeb9,
feet7,
fete7,
beet6,
bite6,
3 letter words:
fez15,
fiz15,
biz14,
zee12,
zit12,
fib8,
eft6,
fee6,
fet6,
fie6,
fit6,
bee5,
bet5,
bit5,
tee3,
tie3,
2 letter words:
ef5,
fe5,
if5,
be4,
bi4,
et2,
it2,
ti2,