7 letter words:
certify15,
rectify15,
6 letter words:
ferity12,
freity12,
5 letter words:
fiery11,
reify11,
rifty11,
fecit10,
ricey10,
freit8,
refit8,
rifte8,
treif8,
citer7,
recit7,
recti7,
trice7,
4 letter words:
fyce12,
ryfe10,
city9,
cyte9,
fice9,
ricy9,
fier7,
fire7,
fret7,
frit7,
reft7,
reif7,
rife7,
rift7,
terf7,
tref7,
trey7,
trye7,
tyer7,
tyre7,
yeti7,
yite7,
cert6,
cire6,
cite6,
crit6,
eric6,
etic6,
icer6,
rice6,
tice6,
rite4,
tier4,
tire4,
trie4,
3 letter words:
fey9,
fry9,
cry8,
icy8,
eft6,
erf6,
fer6,
fet6,
fie6,
fir6,
fit6,
ref6,
rif6,
rye6,
tef6,
try6,
tye6,
yet6,
cit5,
ice5,
rec5,
tec5,
tic5,
ire3,
rei3,
ret3,
rit3,
tie3,
2 letter words:
fy8,
ef5,
fe5,
if5,
ye5,
er2,
et2,
it2,
re2,
te2,
ti2,