9 letter words:
inspirits11,
8 letter words:
inspirit10,
7 letter words:
spirits9,
sprints9,
6 letter words:
prints8,
spirit8,
spirts8,
sprint8,
sprits8,
stirps8,
strips8,
insist6,
iritis6,
5 letter words:
pints7,
pirns7,
print7,
priss7,
snips7,
spins7,
spirt7,
spits7,
sprit7,
stirp7,
strip7,
tipis7,
trips7,
intis5,
snits5,
stirs5,
4 letter words:
nips6,
pins6,
pint6,
pirn6,
piss6,
pits6,
psis6,
psst6,
rips6,
sips6,
snip6,
spin6,
spit6,
tipi6,
tips6,
trip6,
inti4,
iris4,
nisi4,
nits4,
rins4,
sins4,
sirs4,
sits4,
snit4,
sris4,
stir4,
tins4,
3 letter words:
nip5,
pin5,
pis5,
pit5,
psi5,
pst5,
rip5,
sip5,
tip5,
ins3,
its3,
nit3,
rin3,
sin3,
sir3,
sis3,
sit3,
sri3,
tin3,
tis3,
2 letter words:
pi4,
in2,
is2,
it2,
si2,
ti2,
