OB
 31,29,7
OBEN
 7
ODC
 7
ODC-DATEIEN
 7
ODER
 7,29,31,3,28,9,6
OF
 22,10,12,24,33,13,19,18,15,23,14,17,16,2,20,32,25,21,11
OFFENE
 9
OHNE
 7
OK
 7
ON
 22,12,24,18,19,13,23,20,15,14,10,33,29,25,17,16,11,27,2
ONCE
 2
ONE
 22,33
ONLINE
 8,3,33,32,27,6
OPENS
 21
OPTIONEN
 7,6
OR
 22,12,19,13,24,18,23,14,11,20,16,15,2,10,33,25,17,21
ORDNER
 8
ORDNUNGSGEMÄSS
 31
OTHER
 2
OUR
 2
OUT
 21,2
OVERVIEW
 10