6 letter words:
shirty12,
thyrsi12,
yirths12,
5 letter words:
yirth11,
shirt8,
4 letter words:
hist7,
hits7,
shir7,
shit7,
shri7,
sith7,
thir7,
this7,
rits4,
stir4,
3 letter words:
rhy9,
shy9,
thy9,
his6,
hit6,
ish6,
sty6,
try6,
its3,
rit3,
sir3,
sit3,
sri3,
tis3,
2 letter words:
hi5,
sh5,
is2,
it2,
si2,
st2,
ti2,