6 letter words:
firman11,
unfair9,
rumina8,
5 letter words:
fanum10,
furan8,
infra8,
inarm7,
unarm7,
nairu5,
4 letter words:
farm9,
firm9,
fain7,
fair7,
faun7,
fiar7,
firn7,
naif7,
amin6,
amir6,
arum6,
main6,
mair6,
maun6,
mina6,
muni6,
mura6,
rami6,
airn4,
rain4,
rani4,
ruin4,
unai4,
3 letter words:
arf6,
fan6,
far6,
fin6,
fir6,
fun6,
fur6,
rif6,
aim5,
ami5,
amu5,
arm5,
man5,
mar5,
mir5,
mun5,
nam5,
nim5,
ram5,
rim5,
rum5,
ain3,
air3,
ani3,
rai3,
ran3,
ria3,
rin3,
run3,
urn3,
2 letter words:
fa5,
if5,
am4,
ma4,
mi4,
mu4,
um4,
ai2,
an2,
ar2,
in2,
na2,
nu2,
un2,