7 letter words:
shrifts13,
6 letter words:
firths12,
friths12,
shifts12,
shrift12,
firsts9,
shirts9,
5 letter words:
firth11,
frith11,
shift11,
first8,
fists8,
frits8,
hists8,
rifts8,
shirt8,
shist8,
shits8,
shris8,
sifts8,
stirs5,
4 letter words:
fish10,
firs7,
fist7,
fits7,
frit7,
hiss7,
hist7,
hits7,
rifs7,
rift7,
shit7,
shri7,
sift7,
sith7,
thir7,
this7,
sirs4,
sits4,
sris4,
stir4,
3 letter words:
fir6,
fit6,
his6,
hit6,
ifs6,
rif6,
its3,
sir3,
sis3,
sit3,
sri3,
tis3,
2 letter words:
hi5,
if5,
sh5,
is2,
it2,
si2,
ti2,