You can also find them in keywords.h, but that was probably what Abigail-II meant. Here they are for your enjoyment (perl 5.6.1):
NULL __FILE__ __LINE__ __PACKAGE__ __
+DATA__
__END__ AUTOLOAD BEGIN CORE DE
+STROY
END EQ GE GT IN
+IT
LE LT NE CHECK ab
+s
accept alarm and atan2 bi
+nd
binmode bless caller chdir ch
+mod
chomp chop chown chr ch
+root
close closedir cmp connect co
+ntinue
cos crypt dbmclose dbmopen de
+fined
delete die do dump ea
+ch
else elsif endgrent endhostent en
+dnetent
endprotoent endpwent endservent eof eq
+
eval exec exists exit ex
+p
fcntl fileno flock for fo
+reach
fork format formline ge ge
+tc
getgrent getgrgid getgrnam gethostbyaddr ge
+thostbyname
gethostent getlogin getnetbyaddr getnetbyname ge
+tnetent
getpeername getpgrp getppid getpriority ge
+tprotobyname
getprotobynumber getprotoent getpwent getpwnam ge
+tpwuid
getservbyname getservbyport getservent getsockname ge
+tsockopt
glob gmtime goto grep gt
+
hex if index int io
+ctl
join keys kill last lc
+
lcfirst le length link li
+sten
local localtime lock log ls
+tat
lt m map mkdir ms
+gctl
msgget msgrcv msgsnd my ne
+
next no not oct op
+en
opendir or ord our pa
+ck
package pipe pop pos pr
+int
printf prototype push q qq
+
qr quotemeta qw qx ra
+nd
read readdir readline readlink re
+adpipe
recv redo ref rename re
+quire
reset return reverse rewinddir ri
+ndex
rmdir s scalar seek se
+ekdir
select semctl semget semop se
+nd
setgrent sethostent setnetent setpgrp se
+tpriority
setprotoent setpwent setservent setsockopt sh
+ift
shmctl shmget shmread shmwrite sh
+utdown
sin sleep socket socketpair so
+rt
splice split sprintf sqrt sr
+and
stat study sub substr sy
+mlink
syscall sysopen sysread sysseek sy
+stem
syswrite tell telldir tie ti
+ed
time times tr truncate uc
+
ucfirst umask undef unless un
+link
unpack unshift untie until us
+e
utime values vec wait wa
+itpid
wantarray warn while write x
+
xor y
cheers
tachyon
s&&rsenoyhcatreve&&&s&n.+t&"$'$`$\"$\&"&ee&&y&srve&&d&&print
|