8 letter words:
fishings15,
7 letter words:
fishing14,
hissing11,
6 letter words:
finish12,
5 letter words:
nighs9,
sighs9,
finis8,
shins8,
sinhs8,
signs6,
sings6,
4 letter words:
fish10,
figs8,
ghis8,
nigh8,
sigh8,
fins7,
hins7,
hisn7,
hiss7,
shin7,
sinh7,
gins5,
sign5,
sing5,
nisi4,
sins4,
3 letter words:
fig7,
ghi7,
fin6,
hin6,
his6,
ifs6,
gin4,
ins3,
sin3,
sis3,
2 letter words:
hi5,
if5,
sh5,
in2,
is2,
si2,