If you meant to type "1ba" but it appears to be a misspelling, there are a few possible corrections. It could be the abbreviation for "1 bedroom apartment" or you might have intended to write "Iba", referring to Ibadan, a city in Nigeria. Another option could be "Idea", suggesting you were referring to a creative concept. Ultimately, the context will help determine the accurate suggestion for the misspelling "1ba".