Lol! I can imagine how that felt like.
Mine was the word 'is', i kept repeating it and each time it sounded so weird. I think i reconstructed the sentence to avoid using the word. After that, my brain was back to normal.
Its a pointer that we are human anyways and not machines.
RE: CURIOUS MIND: Ever had Problem Spelling/Recognising Very Simple Words?? It’s Called Wordnesia!!