11 letter words:
firstfruits17,
7 letter words:
strifts10,
tirrits7,
6 letter words:
stiffs12,
stuffs12,
firsts9,
frists9,
fritts9,
fruits9,
frusts9,
strift9,
struts6,
sturts6,
tirrit6,
trusts6,
tsuris6,
5 letter words:
riffs11,
ruffs11,
stiff11,
stuff11,
tiffs11,
triff11,
tuffs11,
first8,
fists8,
fitts8,
frist8,
frits8,
fritt8,
fruit8,
frust8,
furrs8,
fusts8,
rifts8,
sifts8,
surfs8,
tifts8,
tufts8,
turfs8,
risus5,
ritts5,
rusts5,
siris5,
situs5,
stirs5,
strut5,
sturt5,
suits5,
tirrs5,
titis5,
trist5,
truss5,
trust5,
4 letter words:
fifi10,
riff10,
ruff10,
tiff10,
tuff10,
firs7,
fist7,
fits7,
fitt7,
fris7,
frit7,
furr7,
furs7,
fuss7,
fust7,
rifs7,
rift7,
sift7,
surf7,
tift7,
tuft7,
turf7,
iris4,
isit4,
rits4,
ritt4,
rust4,
ruts4,
siri4,
sirs4,
sist4,
sits4,
sris4,
stir4,
suit4,
tirr4,
titi4,
tits4,
tuis4,
tuts4,
utis4,
3 letter words:
iff9,
fir6,
fit6,
fur6,
ifs6,
rif6,
sif6,
its3,
rit3,
rut3,
sir3,
sis3,
sit3,
sri3,
sui3,
sur3,
sus3,
tis3,
tit3,
tui3,
tut3,
uts3,
2 letter words:
if5,
is2,
it2,
si2,
st2,
ti2,
ur2,
us2,
ut2,