7 letter words:
isthmic14,
6 letter words:
isthmi11,
mishit11,
5 letter words:
chits10,
smith10,
stich10,
mitis7,
4 letter words:
chis9,
chit9,
hims9,
ichs9,
itch9,
shim9,
mics8,
hist7,
hits7,
shit7,
sith7,
this7,
cist6,
mist6,
smit6,
tics6,
3 letter words:
chi8,
hic8,
him8,
ich8,
mic7,
his6,
hit6,
cis5,
ism5,
mis5,
sic5,
sim5,
tic5,
its3,
sit3,
tis3,
2 letter words:
hm7,
hi5,
sh5,
mi4,
is2,
it2,
si2,
ti2,