@ilovequestions,
I know this is an old question, but it still comes up in a google search, so I figure I'll answer with 6 examples I've found.
That quick beige fox jumped in the air over each thin dog. Look out, I shout, for he's foiled you again, creating chaos.
Are those shy Eurasian footwear, cowboy chaps, or jolly earthmoving headgear?
The hungry purple dinosaur ate the kind, zingy fox, the jabbering crab, and the mad whale and started vending and quacking.
With tenure, Suzie’d have all the more leisure for yachting, but her publications are no good.
Shaw, those twelve beige hooks are joined if I patch a young, gooey mouth.
The beige hue on the waters of the loch impressed all, including the French queen, before she heard that symphony again, just as young Arthur wanted.
Apparently they are not perfect because some phonemes change slightly when preceded by a different one, for example the "a" sound differs slightly between "can" and "man". The examples above suit what I wanted. Perhaps they may be of use to you or other people. (I found the examples at
https://www.quora.com/Is-there-a-text-that-covers-the-entire-English-phonetic-range )