501 Darn dawn dog gone! The sometimes annoying pet canine is not at home this morning. 502 Free Ritz wristwatch. Try saying Ritz wristwatch 5 times fast! from the back of a Ritz cracker box 503 Six slick, slim, slender saplings. 504 Tell a tall tale of a tall tailed dog, that told Tim it tap a tall ale and thump the top of Tim's tomb. 505 Old lady Hunt had a cuzzy Funt not a cuzzy Funt but a Hunt Funt cuzzy. 506 How much juice does a fruit juice producer produce when a fruit juice producer produces fruit juice? We can deduce a fruit juice produces as much juice as a fruit juice produce can seduce from the fruit that produces juice. 507 They think that their teeth get thinner at times they want to taste thick meat. 508 Three TIRED tigers try to throw three trees. 509 I wish to wish the wish you wish to wish, but if you wish the wish the witch wishes, I won't wish the wish you wish to wish. 510 Ken can ken that Ken's kin can ken Ken's kin's ken. 511 The sixth shack's sixth sick sheik's sixth sheep 's sick. 512 Which Swiss witch switched the Swiss wristwatches? by Marnie Singer 513 Cook "Cookie" Turk took Kookie Kirk a turkey cookie. by Marnie Singer 514 How many tow trucks could a TOW TRUCK tow if a tow truck could tow tow trucks. by Cheyenne Perry (age 10) 515 I miss my Swiss miss. My Swiss miss misses me. 516 Now the trees are all groaning in growling, rough gales That with thuds and hoarse roaring roll raging around! Such leaf-rousing, branch-ruining, ripping, raw wails, Such a terrible, thrashing and tree-wrecking sound! by Mark Scrivener 517 Slinking, sliding, slithering slyly, Swiftly slipping through the grasses shyly, Silent but for swish and hiss Is the sinuous snake's leglessness. by Mark Scrivener 518 Corythosaurus bit the gory esophagus of the dillapitated Dilophosaurus who lived in the sorest of forests with the whacky pachy-rinosaurus and the ceratosaurus, but the most poorest and mourish panoplosaurus called Wang sang and rang chorus with the lurdusaurus and the brachiosaurus who was dying of staphylococus-aureas. by Henry Dyne and Georgie Warden 519 How much squash could a sasquatch squish, if a sasquatch could squish squash? 520 fresh fish and fried prawns 521 She thrust three thousand thistles through the thick of her thumb. 522 It dawned on Don at dawn. 523 A snake sneaks to seek a snack. 524 A synonym for cinnamon is a cinnamon synonym. 525 Great Gate Crasher From a personal experience at a friend's party ... 526 Sister Susie's sewing shirts for soldiers, Such saucy soft short shirts for soldiers sister Susie sews, Some soldiers send epistles say they'd sooner sleep on thistles, Than those saucy soft short shirts for soldiers, Sister Susie sews. 527 How many rats would the ruskies roast if the ruskies could roast rats? How many cats would a caddie catch if a caddie could catch cats? 528 Rural ruler 529 Swift shift 530 An illusory vision is a visionary illusion. Is it? 531 In shoulder surgery some surgeons sew soldiers' shoulders. by a rehabilitation MEDICAL DOCTOR 532 Midget minute, midget minute, midget minute, ... 533 Willy's wooden whistle wouldn't whistle when Willy went wild. 534 Wilson Winston winced whilst he minced a squinting prince. co-written by Charles C. Canoll IV and Megan L. Luke 535 If a dog chews shoes, whose shoes does he choose? 536 I thought the haughty Professor Tortoise taught ontology, but the naughty Tortoise taught us tautology. by Dachlan Cartwright 537 Grandma Gabby Grammer grabbed a gram of gummy goulash. If Grandma Gabby Grammer grabbed a gram of gummy goulash, How many grams of gummy goulash did Grandma Gabby Grammer grab? 538 "He thrusts his fists against the posts, and still insists he sees the ghosts." from "It" by Stephen King submitted by Ted Scheck 539 Thrifty Theophilus, the theocratic thistle sifter, thrice thrust three thousand thistles through the slick thick of his softly throbbing thumb. 540 What's a synonym for cinnamon or is cinnamon synonym-less? 541 Dimensional ANALYSIS 542 Friskies frisbee My friend got a frisbee with the "Friskies"-logo on it 543 HULK Hawk is hulking the hawk, Hawk Hulk is hawking Hulk ... Hawk hugs the hedgehog by Alexander from Russian (10 years old) 544 Rather Ruth's writhings than Roth's wrath. by David Philips 545 The third time the three three-toed tree toads tried tying their toes together, the third three-toed tree toad tied the two three-toed tree toads toes to the third toads toes. Then the two tied three-toed tree toads told the third three-toed tree toad that tying their toes together thrilled them to their toe tips. from a high school ENGLISH CLASS many years ago 546 Darla's dollars 547 I see he sees high seas she sees. Minsea and Youngsea made this together in their ENGLISH CLASS 548 I saw a kitten eating chicken in the kitchen. 549 My back black brake blocks are broken