4 letter words:
firk11,
fork11,
mirk10,
moki10,
firm9,
form9,
from9,
miro6,
3 letter words:
kif10,
irk7,
kir7,
koi7,
kor7,
oik7,
rok7,
fir6,
for6,
fro6,
orf6,
rif6,
mir5,
moi5,
mor5,
rim5,
rom5,
2 letter words:
ki6,
ko6,
if5,
of5,
mi4,
mo4,
om4,
io2,
oi2,
or2,