Sources of Accidental Errors
1. Momentary Inattention.
2. Diversion of Attention from the words to the subject matter.
3. Writing from Dictation.
4. Homoioteleuton.
5. Change of Pronounciation.
6. Trusting to Memory.
7. Absence of Spaces and Punctuation.

                  HOWBEITTHATWAWNOTFIRSTWHICHISSPIRITUALBUTH
                  ATWHICHISNATURALANDAFTERWARDTHATWHICHISSPIRI
                  UALTHEFIRSTMANISOFTHEEARTHEARTHYTHESECONDMA
                  NISTHELORDFROMHEAVENASISTHEEARTHYSUCHAREALSO
                  THEYTHATAREEARTHY