Words difficult to steal by stacking . Note: *** means cannot be stolen. Words not found here are stealable by 1 letter prefixes and suffixes.
Word	L	R
ae	1	2
ai	2	1
eh	1	***
es	1	2
ex	1	2
fa	2	1
id	1	2
it	1	2
jo	2	1
li	2	1
lo	2	1
mm	1	***
mo	2	1
my	2	2
no	2	1
oe	1	4
of	2	1
om	1	2
oy	1	2
pi	2	1
so	2	1
ti	2	1
to	2	1
uh	1	3
un	1	2
xi	2	5
xu	***	***
yo	2	1