7 letter words:
firming13,
6 letter words:
infirm11,
firing10,
miring9,
riming9,
5 letter words:
mirin7,
iring6,
4 letter words:
firm9,
frig8,
firn7,
grim7,
mini6,
miri6,
girn5,
grin5,
ring5,
3 letter words:
fig7,
fin6,
fir6,
mig6,
rif6,
mir5,
nim5,
rim5,
gin4,
rig4,
rin3,
2 letter words:
if5,
mi4,
in2,
