NMI
| Date | Clue |
|---|---|
| 2022-12-24 | Letters used in the absence of a letter |
| 2018-08-21 | Abbr. for someone with just a first and last name |
| 2011-10-26 | Name placeholder in govt. records |
| 2011-01-06 | Application letters |
| 2010-08-17 | It indicates a void in some govt. records |
| 2008-04-20 | Application letters |
| 2006-09-24 | Application form abbr. |