7 letter words:
jiffies20,
5 letter words:
jeffs18,
jiffs18,
fiefs11,
fifes11,
4 letter words:
jeff17,
jiff17,
effs10,
fief10,
fife10,
fifi10,
feis7,
seif7,
3 letter words:
eff9,
iff9,
efs6,
fes6,
fie6,
ifs6,
sif6,
sei3,
2 letter words:
ef5,
fe5,
if5,
es2,
is2,
si2,
