Walkthrough - Combinations 501-550

501. email = letter + computer
502. gingerbread man = life + dough
503. yogurt = milk + bacteria
504. ice cream = milk + cold
505. roomba = robot + vacuum cleaner
506. rat = sailboat + wild animal
507. sand castle = sand + castle
508. snowmobile = snow + car
509. sledge = snow + cart
510. web = spider + thread
511. steel wool = steel + wool
512. pirate = sword + sailor
513. cheese = time + milk
514. cereal = wheat + milk
515. cat = wild animal + milk
516. werewolf = wolf + human
517. drum = wood + leather
518. christmas stocking = wool + fireplace
519. wax = bee + beehive
520. parrot = bird + pirate
521. pirate ship = boat + pirate
522. sandwich = bread + bacon
523. banana bread = bread + banana
524. toast = bread + fire
525. ice cream truck = car + ice cream
526. catnip = cat + plant
527. pizza = cheese + dough
528. mac and cheese = cheese + pasta
529. mouse = cheese + wild animal
530. hamburger = meat + bread
531. mousetrap = metal + cheese
532. milk shake = milk + ice cream
533. fortune cookie = paper + cookie
534. treasure map = pirate + map
535. mold = time + bread
536. lion = wild animal + cat
537. picnic = beach + sandwich
538. cheeseburger = cheese + hamburger
539. grilled cheese = cheese + toast
540. penicillin = doctor + mold
541. sphinx = human + lion
542. bat = mouse + bird
543. computer mouse = mouse + computer
544. squirrel = mouse + tree
545. treasure = pirate + treasure map
546. candle = wax + fire
547. hamster = wheel + mouse
548. batman = bat + human
549. cake = dough + candle
550. flying squirrel = sky + squirrel