&+`	difficult.pl	/^\&+`(/
*	difficult.pl	/^\*(/
**	difficult.pl	/^\*\*(/
++	difficult.pl	/^++(/
+.+	difficult.pl	/^+\.+(/
a	difficult.pl	/^a\./
a b c	difficult.pl	/^'a b c'/
b	difficult.pl	/^b(/
c	difficult.pl	/^c(/
d	difficult.pl	/^d(/
e	difficult.pl	/^e /
f	difficult.pl	/^f\%/
g	difficult.pl	/^g /
h	difficult.pl	/^h(/
xy	difficult.pl	/^xy(/
y	difficult.pl	/^y(/
z & () . zz	difficult.pl	/^'z \& () \. zz'/
~*\/#?```=	difficult.pl	/^~\*\\\/#?```=(/
