AND THE ANSWER IS . . .
$wrd1 = '[ X [ aa BB CC ] ] [ [ [ dd ddd dddd ] e ] G ]';
$wrd2 = '[ YY [ AA BB c ] ] [ [ D e ] G ]';
STRINGS [ X [ aa BB CC ] ] [ [ [ dd ddd dddd ] e ] G ] - [ YY [ AA BB c ] ] [ [ D e ] G ]
# X [ aa BB CC ] ]# YY [ AA BB c ] ]#
UNIFY X [ aa BB CC ] ] - YY [ AA BB c ] ]
#YY#
YY = X
X = YY
#[ AA BB c ]#
STRINGS [ aa BB CC ] - [ AA BB c ]
# aa BB CC ]# AA BB c ]#
UNIFY aa BB CC ] - AA BB c ]
#AA#
AA = aa
#BB#
BB = BB
BB = BB
#c#
CC = c
#]#
#]#
# [ [ dd ddd dddd ] e ] G ]# [ D e ] G ]#
UNIFY [ [ dd ddd dddd ] e ] G ] - [ D e ] G ]
#[ D e ]#
STRINGS [ [ dd ddd dddd ] e ] - [ D e ]
# [ dd ddd dddd ] e ]# D e ]#
UNIFY [ dd ddd dddd ] e ] - D e ]
#D#
D = [ dd ddd dddd ]
#e#
#]#
#G#
G = G
G = G
#]#
TRUE
--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)