Unsanded is not a word. The sentence below conveys the concept of unsanded.
Wood that is not sanded is rough to the touch.
There is no such word.
Unsanded wood will have a "rougher" feel to it. The sanded wood should feel rather smooth.
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She is a cowerd.
that bird is theirs.
the story has a narrate
I can't think of a sentence with the word witty.
In English, all proper sentences start with a capitalized word.
I am addicted to bacon.
Earth is a terrestrial planet
My right bicep is aching.
So, you need some example sentences? I felt so relieved to finish my example sentences. The boy wrote, "So what?" as an example sentence.