5 letter words:
flirt8,
fruit8,
4 letter words:
flir7,
flit7,
frit7,
furl7,
lift7,
rift7,
turf7,
litu4,
luit4,
tirl4,
3 letter words:
fil6,
fir6,
fit6,
flu6,
fur6,
rif6,
lit3,
lur3,
rit3,
rut3,
til3,
tui3,
2 letter words:
if5,
it2,
li2,
ti2,
ur2,
ut2,