My sister (when she was in Kindergarten)used to sing the alphabet song with her class, except they'd start "Oh! A,B,C,...)and for the whole year she thought O was the first letter of the alphabet. She even argued with our mom about it!
A childhood belief about spelling

others believed things like this
- In preschool, I thought that the letter N came twice in the alphabet- W X Y N ZAnon
- i really thought that "key" was a secret letter to the alphabet that only i knew.— amber
- when i was little i thaught the bit in the alphabet song, where it goes LMNOP
actually want ENNEL MENNEL BEE — im going to the movies now - that the twefth letter of the alphabet was "elemeno" like: a b c d e f g h i j k elemeno p— feivel
- When I was little I thought that you said minnow in the alphabet. You know m, n, o...— Brandy
- My cousin, who's my age always thought there were two n's in the alphabet. 'l-m-N-o-p' and 'w-x-y-N-z'— Ashley