A pangram or holoalphabetic sentence is a sentence using every letter of a given alphabet at least once.
The quick brown fox jumps over a lazy dog" (33 letters)
"Jived fox nymph grabs quick waltz." (28 letters)
"Glib jocks quiz nymph to vex dwarf." (28 letters)
"Sphinx of black quartz, judge my vow." (29 letters)
"How vexingly quick daft zebras jump!" (30 letters)
"The five boxing wizards jump quickly." (31 letters)
"Pack my box with five dozen liquor jugs." (32 letters)