Possible Clues:

• Shortened wds
• Etc. and ibid., e.g.
• Truncated wds
• Mon. and Tue., e.g
• Mr. and Mrs., e.g.
• Lat. and long., e.g.
• Mr. and Mrs.
• Tel. and ext.
• e.g., i.e., and etc.
• Rep. and Dem., e.g