7 letter words:
certify15,
rectify15,
6 letter words:
ferity12,
5 letter words:
fiery11,
reify11,
refit8,
citer7,
recit7,
recti7,
trice7,
4 letter words:
fyce12,
city9,
fice9,
fire7,
fret7,
frit7,
reft7,
reif7,
rife7,
rift7,
tref7,
trey7,
tyer7,
tyre7,
yeti7,
cire6,
cite6,
crit6,
etic6,
rice6,
rite4,
tier4,
tire4,
3 letter words:
fey9,
fry9,
cry8,
icy8,
eft6,
fer6,
fet6,
fie6,
fir6,
fit6,
ref6,
rif6,
rye6,
try6,
tye6,
yet6,
ice5,
rec5,
tic5,
ire3,
rei3,
ret3,
tie3,
2 letter words:
ef5,
fe5,
if5,
ye5,
er2,
et2,
it2,
re2,
ti2,