Don't worry they'll get harder

  pencil
  pensil
  penccil
  penssil

How About Now

  Weird
  Wierd
  Wired

And now??

  Diffrent
  Difrent
  Different
  Diferent

.....

  Harrass
  Harras
  Harass
  Haras

Meh..

  Deductable
  Deductible
  Deductuble
  Deductoble

I'm running out of words so the rest of this test will be easy

  Changeable
  Changable
  Kangaroo
  Banana

Yeah..

  Holloween
  Holoween
  Holaween
  Halloween

I actually had trouble with this word when I was younger!

  bananna
  bannana
  banana
  bananana

This is harder

  Mythological
  Mithological
  Mythalogical
  Mythical (this is not the answer)

Did you enjoy this test? (The correct answer is no)

  No
  Yes