Added a few abbreviations and sorted the list. (#3984)

data/abbreviations

@@ -1,28 +1,51 @@
+al.
+Apr.
+Aug.
+Bros.
+Capt.
+cf.
+ch.
+Co.
+Corp.
+cp.
+Dec.
+Dr.
+e.g.
+esp.
+etc.
+Feb.
+Gen.
+Gov.
+Hon.
+i.e.
+Inc.
+Jan.
+Jr.
+Jul.
+Jun.
+Ltd.
+M.A.
+M.D.
+Mar.
 Mr.
 Mrs.
 Ms.
-Capt.
+No.
-Dr.
+Nov.
+Oct.
+p.
+Ph.D.
+pp.
+Pres.
 Prof.
-Gen.
+Rep.
-Gov.
+Rev.
-e.g.
+sec.
-i.e.
+Sen.
+Sep.
+Sept.
 Sgt.
+Sr.
 St.
 vol.
 vs.
-Sen.
-Rep.
-Pres.
-Hon.
-Rev.
-Ph.D.
-M.D.
-M.A.
-p.
-pp.
-ch.
-sec.
-cf.
-cp.