9 letter words:
unfairing13,
7 letter words:
faining11,
fairing11,
airning8,
ingrain8,
inuring8,
raining8,
ruining8,
urining8,
6 letter words:
faring10,
fingan10,
fining10,
firing10,
unfair9,
airing7,
guanin7,
ragini7,
ungain7,
urning7,
uranin6,
5 letter words:
fagin9,
fungi9,
furan8,
infra8,
agrin6,
garni6,
grain6,
ingan6,
iring6,
rangi6,
ruing6,
unrig6,
inrun5,
inurn5,
nairu5,
4 letter words:
fang8,
frag8,
frig8,
frug8,
fung8,
fain7,
fair7,
faun7,
faur7,
fiar7,
fini7,
firn7,
frau7,
naif7,
agin5,
gain5,
gair5,
gari5,
gaun5,
gaur5,
ginn5,
girn5,
gnar5,
gran5,
grin5,
guan5,
guar5,
gurn5,
ragi5,
rang5,
ring5,
ruga5,
rung5,
airn4,
inia4,
nain4,
rain4,
rani4,
raun4,
ruin4,
unai4,
3 letter words:
fag7,
fig7,
fug7,
gif7,
arf6,
auf6,
fan6,
far6,
fin6,
fir6,
fra6,
fun6,
fur6,
rif6,
gan4,
gar4,
gau4,
gin4,
gnu4,
gun4,
gur4,
nag4,
rag4,
rig4,
rug4,
ain3,
air3,
ani3,
ann3,
inn3,
nan3,
nun3,
nur3,
rai3,
ran3,
ria3,
rin3,
run3,
uni3,
urn3,
2 letter words:
fa5,
if5,
ag3,
gi3,
gu3,
ug3,
ai2,
an2,
ar2,
in2,
na2,
nu2,
un2,
ur2,