8 letter words:
unfixity21,
6 letter words:
fixity19,
unfixt16,
5 letter words:
fixit15,
infix15,
unfix15,
nifty11,
unify11,
unfit8,
unity8,
4 letter words:
fixt14,
nixy14,
yunx14,
yuft10,
fini7,
tiny7,
tuny7,
tyin7,
inti4,
unit4,
3 letter words:
fix13,
nix10,
tix10,
tux10,
fin6,
fit6,
fun6,
yin6,
nit3,
nut3,
tin3,
tui3,
tun3,
uni3,
2 letter words:
xi9,
xu9,
fy8,
if5,
ny5,
yu5,
in2,
it2,
nu2,
ti2,
un2,
ut2,