problem with ls, not show a correct list

From: Nilton José Rizzo <rizzo_at_i805.com.br>
Date: Fri, 07 Apr 2017 00:12:04 -0300
  Hi all 

  Look this command on a FreeBSD -current 

% ls -d /usr/ports/[a-z]*
/usr/ports/accessibility /usr/ports/math
/usr/ports/arabic /usr/ports/misc
/usr/ports/archivers /usr/ports/Mk
/usr/ports/astro /usr/ports/MOVED
/usr/ports/audio /usr/ports/multimedia
% echo /usr/ports/[a-z]*
/usr/ports/accessibility /usr/ports/arabic /usr/ports/archivers
/usr/ports/astro /usr/ports/audio /usr/ports/base /usr/ports/benchmarks
/usr/ports/biology /usr/ports/cad /usr/ports/CHANGES /usr/ports/chinese
/usr/ports/comms /usr/ports/CONT
alguém sabe o motivo desse erro?
% ls -d /usr/src/[a-z]*
/usr/src/bin /usr/src/Makefile.libcompat
/usr/src/cddl /usr/src/ObsoleteFiles.inc
/usr/src/contrib /usr/src/README
/usr/src/COPYRIGHT /usr/src/release 

What's I do wrong? 

% set 

addsuffix 
anyerror 
argv ()
csubstnonl 
cwd /home2/rizzo/src/repositorio/bsdday-2017
dirstack /home2/rizzo/src/repositorio/bsdday-2017
echo_style bsd
edit 
euid 1000
euser rizzo
gid 0
group wheel
history 100
home /home2/rizzo
killring 30
loginsh 
owd /home2/rizzo/src/repositorio/Rural
path (/sbin /bin /usr/sbin /usr/bin /usr/local/sbin /usr/local/bin
/home2/rizzo/bin)
prompt %# 
prompt2 %R? 
prompt3 CORRECT>%R (y|n|e|a)? 
shell /bin/csh
shlvl 1
status 0
tcsh 6.18.01
term screen
tty pts/4
uid 1000
user rizzoversion tcsh 6.18.01 (Astron) 2012-02-14 (x86_64-amd-FreeBSD)
options wide,nls,dl,al,kan,sm,rh,color,filec
% uname -a
FreeBSD valfenda 12.0-CURRENT FreeBSD 12.0-CURRENT #2 r313684: Sun Feb
12 20:52:19 BRST 2017 rizzo_at_valfenda:/usr/obj/usr/src/sys/VALFENDA amd64
% 

-- 
********************************************************
* Nilton José Rizzo     Sistema de Informação    UFRRJ *
* http://cursos.ufrrj.br/grad/sistemas/                *
* lattes:http://lattes.cnpq.br/0079460703536198        *
********************************************************
Received on Fri Apr 07 2017 - 01:12:26 UTC

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