7 letter words:
refrain10,
6 letter words:
fainer9,
fairer9,
fanner9,
hernia9,
infare9,
inaner6,
narine6,
5 letter words:
afire8,
farer8,
feria8,
finer8,
firer8,
frena8,
friar8,
frier8,
henna8,
hirer8,
infer8,
infra8,
rifer8,
airer5,
inane5,
inner5,
renin5,
reran5,
4 letter words:
fain7,
fair7,
fane7,
fare7,
fear7,
fern7,
fiar7,
fine7,
fire7,
firn7,
frae7,
haen7,
hair7,
hare7,
hear7,
heir7,
hern7,
hire7,
naif7,
neif7,
reif7,
rhea7,
rife7,
airn4,
earn4,
near4,
nine4,
rain4,
rani4,
rare4,
rear4,
rein4,
3 letter words:
feh9,
ahi6,
arf6,
fan6,
far6,
fen6,
fer6,
fie6,
fin6,
fir6,
hae6,
hen6,
her6,
hie6,
hin6,
nah6,
rah6,
ref6,
rif6,
ain3,
air3,
ane3,
ani3,
are3,
ear3,
era3,
ern3,
err3,
inn3,
ire3,
nae3,
nan3,
rai3,
ran3,
rei3,
ria3,
rin3,
2 letter words:
ah5,
ef5,
eh5,
fa5,
fe5,
ha5,
he5,
hi5,
if5,
ae2,
ai2,
an2,
ar2,
en2,
er2,
in2,
na2,
ne2,
re2,