Add spaces: Itwasdonenotwithimpunity100yearsago,soherreputationwasabadspot

Answer: It was done not with impunity 100 years ago, so her reputation was a bad spot

Add spaces: Anylossofteethshouldbeimmediatelycompleted.

Answer: Any loss of teeth should be immediately completed.

Add spaces: 10:8Neitherletuscommitsexualimmorality,assomeofthemcommitted,andinonedaytwenty-threethousandfell.

Answer:
10:8Neither let us commit sexual immorality, as some of them committed, and in one day twenty-three thousand fell.