Possible ilpossible impossible inpossible irpossible

The only correct spelling from your list is "impossible." The others are either misspellings or non-existent words. Here's a brief breakdown: - **possible**: Able to be done. - **impossible**: Not able to be done; can't be achieved or occurring. The prefixes "il-", "in-", and "ir-" do exist in English but are used with different root words: - **il-**: typically used with words starting with "l" (e.g., illegal). - **in-**: used with words starting with varied letters (e.g., incomplete). - **ir-**: used with words starting with "r" (e.g., irregular). If you have any further questions about these prefixes or related topics, feel free to ask!