5 letter words:
fitch13,
shift11,
chits10,
stich10,
4 letter words:
fish10,
chis9,
chit9,
fisc9,
ichs9,
itch9,
fist7,
fits7,
hist7,
hits7,
shit7,
sift7,
sith7,
this7,
cist6,
tics6,
3 letter words:
chi8,
hic8,
ich8,
fit6,
his6,
hit6,
ifs6,
cis5,
sic5,
tic5,
its3,
sit3,
tis3,
2 letter words:
hi5,
if5,
sh5,
is2,
it2,
si2,
ti2,