7 letter words:
infirms12,
6 letter words:
infirm11,
mirins8,
5 letter words:
firms10,
finis8,
firns8,
minis7,
mirin7,
4 letter words:
firm9,
fini7,
fins7,
firn7,
firs7,
fris7,
rifs7,
mini6,
miri6,
mirs6,
nims6,
rims6,
simi6,
smir6,
iris4,
nisi4,
rins4,
siri4,
3 letter words:
fin6,
fir6,
ifs6,
rif6,
sif6,
ism5,
mir5,
mis5,
nim5,
rim5,
sim5,
ins3,
nis3,
rin3,
sin3,
sir3,
sri3,
2 letter words:
if5,
mi4,
in2,
is2,
si2,
