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The thing that drives me crazy is that it doesn't change "fir" to "for".

I realize "fir" is a real word but since the "i" and the "o" are next to each other, I often make this error and have to back up and change it. Would be nice if it would unlearn (if that's a word) "fir" and either auto correct to "for" or suggest "for".

Would be nice if we could access the dictionary possibly through iTunes. I'm just making noise here so don't bother directing me to the Apple feedback page.
 
I really dislike the do to ^do replacement. Arrrgh! What can I ^do? See what I mean!
 
http://manuals.info.apple.com/en/iPhone_User_Guide.pdf page 22
RTFM said:
You don’t need to interrupt your typing to accept the suggested word.
  • To use the suggested word, type a space, punctuation mark, or return character.
  • To reject the suggested word, finish typing the word as you want it, then tap the “x” to dismiss the suggestion before typing anything else. Each time you reject a suggestion for the same word, iPhone becomes more likely to accept your word.

When you don't like what the dictionary has learned, reset it.
Settings->General->Reset->Reset Keyboard Dictionary
 
Mine somehow learned me'

It was quite annoying, so i typed me me me me me me me me me me me

Cancelling the auto correction for me'

It finally learnt it's lesson :)
 
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