Level 1. flu fly fox joy you flux foul foxy july joyful

Level 2. fee foe for ore roe fore free reef zero froze freeze

Level 3. egg elk gel gig ilk keg leg lie wig like wiggle

Level 4. ion nil nor oil our run urn iron lion loin ruin liquor

Level 5. bun bur nub rub rue run urn bunk burn bunker

Level 6. aim air arm mar oar ram rim roam roar armor mirror

Level 7. bee bin eel lie nil been bile lien line beeline

Level 8. arm man mar nag rag ram ran gram rang anagram

Level 9. fin fir fry fun fur run urn fury jury ruin unify injury

Level 10. due dug jug sue use dues jugs sued used judge judges

Special Level. ban bun bur nub ran rub rue run urn bane bank bean bran bunk burn rank urban banker bunker urbane due dug emu gem gum jug mud mug sue sum use dues emus gems jugs mugs muse smug sued used judge mused judges smudge

Level 11. gas gut sag sat tag tug gust guts stag tags tugs august

Level 12. dim din dun fin fun mid mud find fund mind muff muffin

Level 13. cot err ore roe rot toe core rote tore retro correct

Level 14. con coy cloy cool loon noon only colon nylon colony

Level 15. eel eve jet let tee vet wet welt jewel twelve

Level 16. cry eye her hey key rye here reek cheek cheer creek cheeky cheery

Level 17. fir fit fry pit pry rip tip try pity rift trip typify

Level 18. eel elk let tee the heel keel leek teeth kettle

Level 19. con coy eon lye one cone lone once only clone cycle cyclone

Level 20. any eon nay nun one you neon none noun annoy anyone