SDFAB-598 Add frequently used commands

Change-Id: Ib80004ffdf4680d7153c117662e9967fc000b961
diff --git a/dict.txt b/dict.txt
index e8503b3..3b7a362 100644
--- a/dict.txt
+++ b/dict.txt
@@ -45,6 +45,7 @@
 microservice
 multicast
 netcfg
+onos
 orchestrator
 patchset
 pipeconf
@@ -52,11 +53,12 @@
 protobuf
 reStructuredText
 routable
-downlink
 netcfg
 scalability
+subnet
 subnets
 telco
+tna
 topologies
 unicast
 uplink