7 letter words:
mystify18,
5 letter words:
mifty13,
stymy13,
fisty11,
rifty11,
firms10,
misty10,
stimy10,
first8,
frist8,
frits8,
rifts8,
trims7,
4 letter words:
firm9,
miry9,
mity9,
rimy9,
firs7,
fist7,
fits7,
fris7,
frit7,
rifs7,
rift7,
sift7,
mirs6,
mist6,
rims6,
smir6,
smit6,
stim6,
trim6,
rits4,
stir4,
3 letter words:
fry9,
fir6,
fit6,
ifs6,
rif6,
sif6,
sty6,
try6,
ism5,
mir5,
mis5,
rim5,
sim5,
its3,
rit3,
sir3,
sit3,
sri3,
tis3,
2 letter words:
fy8,
my7,
if5,
mi4,
is2,
it2,
si2,
st2,
ti2,