Fewest letters used

These puzzles are the opposites of pangrams, using as few letters as possible.

Here's the complete list of all 33 puzzles using fewer than 19 letters sorted by number of letters used:

DateAuthorUsedMissing
Wednesday, December 21, 2005David J. Kahn10BDEFGJKNPQUVWXYZ
Tuesday, June 5, 2001Peter Gordon10BCDFGHJKMPQVWXYZ
Tuesday, January 16, 2001Peter Gordon12BCDFGJQRSTVXYZ
Tuesday, December 23, 2008Joe Krozel13BCFGHJKQUWXYZ
Tuesday, June 19, 2012Steve Riley15AEFIJQUVXYZ
Tuesday, March 8, 2011Paul Hunsberger15HIJKLMNOPUY
Thursday, December 15, 2005Patrick Merrell15HIJKLMNOPUY
Thursday, March 21, 2002Patrick Berry16EIJOQUVXYZ
Saturday, April 28, 2012Gary J. Whitehead17BGJQVWXYZ
Tuesday, February 9, 1999Janet R. Bender17AIJOQUXYZ
Saturday, January 24, 1998Randolph Ross17FJKQVWXYZ
Friday, June 8, 2012Martin Ashwood-Smith18FJKQWXYZ
Wednesday, August 3, 2011Paul Guttormsson18BCJKQWXZ
Wednesday, February 2, 2011Peter A. Collins18FKQVWXYZ
Saturday, December 22, 2007Harvey Estes18FJKQVWXZ
Saturday, January 20, 2007Harvey Estes18FHJQVXYZ
Friday, May 26, 2006Mike Torch18JKQVWXYZ
Friday, January 21, 2005Frank Longo18BJKQWXYZ
Saturday, June 21, 2003Dana Motley18FGJQVWXZ
Saturday, August 24, 2002Chuck Menning18FJKQWXYZ
Saturday, July 27, 2002Robert H. Wolfe18FHJQWXYZ
Friday, December 29, 2000David J. Kahn18FJQUVXYZ
Monday, October 30, 2000Gregory E. Paul18FJKQVWXZ
Friday, February 18, 2000Manny Nosowsky18BJKQVXYZ
Thursday, August 21, 1997Martin Ashwood-Smith18JKMQWXYZ
Saturday, December 28, 1996N. Joline18BFHKQWXZ
Friday, October 11, 1996F. Longo18BFJQUWXZ
Monday, December 4, 1995Sidney L. Robbins18FGJQVXYZ
Saturday, October 7, 1995Frank A. Longo18FJKQVWXZ
Saturday, May 13, 1995Nancy Joline18FJKQVWXZ
Wednesday, April 20, 1994Walter Webb18BHJKQWXZ
Sunday, February 13, 1994Cathy Millhauser18AIJOQUYZ
Friday, November 26, 1993Nancy A. Corbett18FJKQWXYZ

Pre-Shortz puzzles

Fewer than 18 for pre-Shortz:

DateAuthorEditorUsedMissing
Thursday, January 11, 1990Jeanette K. BrillMaleska16FHJKQVWXYZ
Monday, March 21, 1988Frank GearyMaleska16BFJKQVWXYZ
Friday, May 3, 1974Jack WherryWeng16CFJMPQVWXZ
Monday, June 7, 1993Bill PolvogtMaleska17BFJKQWXYZ
Saturday, May 16, 1992Bernard MerenMaleska17BFJKQWXYZ
Thursday, November 7, 1991Margaret W. HuskeyMaleska17FJKQUVWXZ
Saturday, August 12, 1989Bernard MerenMaleska17BFHJKQVXZ
Wednesday, September 14, 1988Melvin KenworthyMaleska17FJKQVWXYZ
Saturday, July 16, 1988Joe ClonickMaleska17EFIJOQUVX
Thursday, September 3, 1987William S. McIlrathMaleska17FGJKQWXYZ
Friday, July 5, 1985Louis SabinMaleska17FGJKQUWXZ
Monday, August 6, 1984Arthur W. PalmerMaleska17JKQUVWXYZ
Thursday, March 22, 1984Rhonda KrausMaleska17BFGJKQVXZ
Tuesday, December 14, 1982Nancy McCarthyMaleska17BJKQUWXYZ
Tuesday, October 6, 1981Judson G. TrentMaleska17BJKQVWXYZ
Saturday, August 9, 1980Jack L. SteinhardtMaleska17FHJKQUWXZ
Saturday, October 6, 1973UnknownWeng17FJKQVWXYZ