Noun
pangram (plural pangrams)
Examples
A sentence that contains every letter of the alphabet.
Pangrammatic lipogram A pangrammatic lipogram or lipogrammatic pangram uses every letter of the alphabet except one. Source: Internet
The pangram poem Iroha -uta ("ABC song/poem"), which dates to the 10th century, uses every hiragana once (except n ん, which was just a variant of む before the Muromachi era ). Source: Internet