Here's the complete list of all 33 puzzles using fewer than 19 letters sorted by number of letters used:
| Date | Author | Used | Missing |
|---|---|---|---|
| Wednesday, December 21, 2005 | David J. Kahn | 10 | BDEFGJKNPQUVWXYZ |
| Tuesday, June 5, 2001 | Peter Gordon | 10 | BCDFGHJKMPQVWXYZ |
| Tuesday, January 16, 2001 | Peter Gordon | 12 | BCDFGJQRSTVXYZ |
| Tuesday, December 23, 2008 | Joe Krozel | 13 | BCFGHJKQUWXYZ |
| Tuesday, June 19, 2012 | Steve Riley | 15 | AEFIJQUVXYZ |
| Tuesday, March 8, 2011 | Paul Hunsberger | 15 | HIJKLMNOPUY |
| Thursday, December 15, 2005 | Patrick Merrell | 15 | HIJKLMNOPUY |
| Thursday, March 21, 2002 | Patrick Berry | 16 | EIJOQUVXYZ |
| Saturday, April 28, 2012 | Gary J. Whitehead | 17 | BGJQVWXYZ |
| Tuesday, February 9, 1999 | Janet R. Bender | 17 | AIJOQUXYZ |
| Saturday, January 24, 1998 | Randolph Ross | 17 | FJKQVWXYZ |
| Friday, June 8, 2012 | Martin Ashwood-Smith | 18 | FJKQWXYZ |
| Wednesday, August 3, 2011 | Paul Guttormsson | 18 | BCJKQWXZ |
| Wednesday, February 2, 2011 | Peter A. Collins | 18 | FKQVWXYZ |
| Saturday, December 22, 2007 | Harvey Estes | 18 | FJKQVWXZ |
| Saturday, January 20, 2007 | Harvey Estes | 18 | FHJQVXYZ |
| Friday, May 26, 2006 | Mike Torch | 18 | JKQVWXYZ |
| Friday, January 21, 2005 | Frank Longo | 18 | BJKQWXYZ |
| Saturday, June 21, 2003 | Dana Motley | 18 | FGJQVWXZ |
| Saturday, August 24, 2002 | Chuck Menning | 18 | FJKQWXYZ |
| Saturday, July 27, 2002 | Robert H. Wolfe | 18 | FHJQWXYZ |
| Friday, December 29, 2000 | David J. Kahn | 18 | FJQUVXYZ |
| Monday, October 30, 2000 | Gregory E. Paul | 18 | FJKQVWXZ |
| Friday, February 18, 2000 | Manny Nosowsky | 18 | BJKQVXYZ |
| Thursday, August 21, 1997 | Martin Ashwood-Smith | 18 | JKMQWXYZ |
| Saturday, December 28, 1996 | N. Joline | 18 | BFHKQWXZ |
| Friday, October 11, 1996 | F. Longo | 18 | BFJQUWXZ |
| Monday, December 4, 1995 | Sidney L. Robbins | 18 | FGJQVXYZ |
| Saturday, October 7, 1995 | Frank A. Longo | 18 | FJKQVWXZ |
| Saturday, May 13, 1995 | Nancy Joline | 18 | FJKQVWXZ |
| Wednesday, April 20, 1994 | Walter Webb | 18 | BHJKQWXZ |
| Sunday, February 13, 1994 | Cathy Millhauser | 18 | AIJOQUYZ |
| Friday, November 26, 1993 | Nancy A. Corbett | 18 | FJKQWXYZ |
Fewer than 18 for pre-Shortz:
| Date | Author | Editor | Used | Missing |
|---|---|---|---|---|
| Thursday, January 11, 1990 | Jeanette K. Brill | Maleska | 16 | FHJKQVWXYZ |
| Monday, March 21, 1988 | Frank Geary | Maleska | 16 | BFJKQVWXYZ |
| Monday, June 7, 1993 | Bill Polvogt | Maleska | 17 | BFJKQWXYZ |
| Saturday, May 16, 1992 | Bernard Meren | Maleska | 17 | BFJKQWXYZ |
| Thursday, November 7, 1991 | Margaret W. Huskey | Maleska | 17 | FJKQUVWXZ |
| Saturday, August 12, 1989 | Bernard Meren | Maleska | 17 | BFHJKQVXZ |
| Wednesday, September 14, 1988 | Melvin Kenworthy | Maleska | 17 | FJKQVWXYZ |
| Saturday, July 16, 1988 | Joe Clonick | Maleska | 17 | EFIJOQUVX |
| Thursday, September 3, 1987 | William S. McIlrath | Maleska | 17 | FGJKQWXYZ |
| Friday, July 5, 1985 | Louis Sabin | Maleska | 17 | FGJKQUWXZ |
| Monday, August 6, 1984 | Arthur W. Palmer | Maleska | 17 | JKQUVWXYZ |
| Thursday, March 22, 1984 | Rhonda Kraus | Maleska | 17 | BFGJKQVXZ |