What are the word records for rare letters?

language/english/spelling/frequency.order/subset.of.word/rare.letters New

New entry, edited from material collected for the archive and not yet in a released version.

Problem

What are the word records for rare letters?
(Spelling / Frequency Order / Subset of Word)

  a.  containing JQXZ [B119,1-69,249,3-180,19-4,90,23-91]
  b.  containing JQXZ in all possible positions [23-146,216]
  c.  containing three rare letters, all possible [5-162,206,12-91,13-179,214,15-84,17-149]

[ Editor: question framed by the editor from the headings of the Taxonomy of Wordplay. ]

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[ Editor: from the Taxonomy of Wordplay, www.questrel.com, retrieved 28 Oct 2026. Classes (common, uncommon, hyphenated words, phrases), scores, ties (-t) and the source codes in brackets are explained in language/english/word.records.introduction. ]

a.  containing JQXZ [B119,1-69,249,3-180,19-4,90,23-91]
b.  containing JQXZ in all possible positions [23-146,216]
c.  containing three rare letters, all possible [5-162,206,12-91,13-179,214,15-84,17-149]

-- Taxonomy of Wordplay, www.questrel.com