How razorback-jumping frogs can level six piqued gymnasts! (49 letters)

Cozy lummox gives smart squid who asks for job pen. (41 letters)

The quick brown fox jumps over the lazy dog. (35 letters)

Pack my box with five dozen liquor jugs. (32 letters)

The five boxing wizards jump quickly. (31 letters)

Jackdaws love my big sphinx of quartz. (31 letters)

How quickly daft jumping zebras vex. (30 letters)

Two driven jocks help fax my big quiz. (30 letters)

Bright vixens jump; dozy fowl quack. (29 letters)

Quick wafting zephyrs vex bold Jim. (29 letters)

Quick zephyrs blow, vexing daft Jim. (29 letters)

Sphinx of black quartz, judge my vow. (29 letters)

Bawds jog, flick quartz, vex nymphs. (28 letters)

Waltz, bad nymph, for quick jigs vex. (28 letters)

Brick quiz whangs jumpy veldt fox. (28 letters)

Cwm fjord bank glyphs vext quiz. (Carved symbols in a mountain hollow on the bank of an inlet irritated an eccentric person.)

Squdgy fez, blank jimp crwth vox! (A short brimless felt hat barely blocks out the sound of a Celtic violin.)

Jink cwm, zag veldt, fob qursh pyx. (Cross valley and plain to steal coins from Saudi mint.)

Veldt jynx grimps waqf zho buck. (A grasslands wryneck Woodpecker climbs onto a male bovid on Muslim land held in trust.)

Junky qoph-flags vext crwd zimb. (An Abyssinian fly playing a Celtic violin was annoyed by trashy flags on which were the Hebrew letter qoph.)

Quartz glyph job vex'd cwm finks. (The act of carving symbols into quartz irritated ruffians from a Welsh river valley.)

Cwm fjord veg balks nth pyx quiz. (Relaxing in basins at the end of inlets terminates the endless tests from the box. - 'nth' is not an abbreviation)

Vext cwm fly, zing, jabs kurd qoph. (An annoyed fly in a Welsh mountain hollow, making a buzzing sound, jabs at the Hebrew letter qoph as made by someone from Kurdistan.)