11 letter words:
effectivity25,
7 letter words:
fictive15,
6 letter words:
citify14,
effect14,
5 letter words:
fifty14,
fytte11,
civet10,
civie10,
evict10,
evite8,
4 letter words:
iffy13,
fyce12,
fief10,
fife10,
five10,
teff10,
tiff10,
tivy10,
city9,
fice9,
vice9,
feet7,
fete7,
tyee7,
yeti7,
yett7,
cete6,
cite6,
etic6,
titi4,
3 letter words:
eff9,
fey9,
iff9,
ivy9,
icy8,
eft6,
eve6,
eye6,
fee6,
fet6,
fie6,
fit6,
tye6,
vee6,
vet6,
vie6,
yet6,
cee5,
ice5,
tic5,
tee3,
tet3,
tie3,
tit3,
2 letter words:
ef5,
fe5,
if5,
ye5,
et2,
it2,
ti2,