Supervocalic¶
supervocalic · letter · validated
A word or text containing each of the five vowels exactly once, in any order.
Provenance¶
- Source: Word Ways, the Journal of Recreational Linguistics (1968 onwards)
- Attribution:
reference— attested in a standard reference rather than traced to an origin - Checkability:
self— decidable from the text and its parameters alone - Attested:
codified— formulated as a rule by a tradition rather than declared by an author
Details¶
- Kind: restrictive
- Languages: en
- Requires:
tokens,alphabet,fold_diacritics - Deterministic: yes
Prompt hint¶
Use words containing a, e, i, o and u exactly once each.
Parameters¶
| Name | Type | Default | Description |
|---|---|---|---|
fold_diacritics |
boolean | True |
Treat accented letters as their base letter, and ß as ss. |
Examples¶
facetious¶
en — this text satisfies the procedure.
facetious
Source: Traditional; the canonical English supervocalic
missing-a-vowel¶
en — this text does not satisfy the procedure.
ab ec id of
Source: constructed counterexample
german-umlaut-supplies-the-a¶
de — this text satisfies the procedure.
Rätsel bloß im Duft
Source: constructed example; the row required ä ö ü, which folded text can never contain, so no German text could satisfy it at all (ADR 0035)
french-does-not-require-y¶
fr — this text satisfies the procedure.
Le mot du jardin
Source: constructed example; French vowels() has 21 members and the published definition says five