5 letter words:
firth11,
frith11,
fruit8,
unfit8,
unwit8,
rutin5,
4 letter words:
whin10,
whir10,
whit10,
with10,
firn7,
frit7,
hint7,
hunt7,
hurt7,
rift7,
ruth7,
thin7,
thir7,
thru7,
turf7,
twin7,
writ7,
ruin4,
runt4,
turn4,
unit4,
3 letter words:
fin6,
fir6,
fit6,
fun6,
fur6,
hin6,
hit6,
hun6,
hut6,
nth6,
rif6,
win6,
wit6,
nit3,
nut3,
rin3,
run3,
rut3,
tin3,
tui3,
tun3,
urn3,
2 letter words:
hi5,
if5,
uh5,
in2,
it2,
nu2,
ti2,
un2,
ut2,