=== Taken from "http://www.bhsc.org.au/wordlist.html" ===

ax
ex
ox
xi
xu

axe
box
cox
dex
fax
fix
fox
gox
hex
kex
lax
lex
lox
lux
max
mix
nix
oxo
oxy
pax
pix
pox
pyx
rax
rex
sax
sex
six
sox
tax
tux
vex
vox
wax
xis
zax

apex
axal
axed
axel
axes
axil
axis
axle
axon
boxy
calx
coax
coxa
crux
dexy
doux
doxy
eaux
exam
exec
exes
exit
exon
expo
falx
faux
fixt
flax
flex
flux
foxy
hoax
ibex
ilex
ixia
jeux
jinx
luxe
lynx
maxi
minx
mixt
moxa
next
nixe
nixy
onyx
oryx
oxen
oxes
oxid
oxim
pixy
prex
roux
sext
sexy
taxa
taxi
text
vext
waxy
xyst