A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
0...9
OA
OBJECT_BROKER
OBJECT_FRAMEWORK
OBJECT_WRAPPER
OBS
OCA
OCCA
OCR
OCX
ODA
ODA_CONSORTIUM
ODAM
ODBC
ODI
ODIF
ODP
ODT
OEM
OFFICE_AUTOMATION
OFFICE
OGGETTI
OGGETTI_VIRTUALI
OLE
OLTP
OMG
OMI
ONC
ONE
ON_LINE
OOP
OOUI
OPEN_BLUEPRINT
OPEN_DESKTOP
OPENDOC
OPENGL
OPEN_LOOK
OPENSTEP
OPEN_SYSTEM
OPENVIEW
OPEN_WINDOWS
ORANGE_BOOK
ORB
OSA
OSF
OSF/AES
OSF/DCE
OSF/DME
OSF/MOTIF
OSF/1
OSI
OSI_(ENTI_IMPEGNATI_SULL'OSI
OSINET
OSI/TP
OSPF
OS/2
OURS
OUTSOURCING