3. altogether -- all together

He is altogether (entirely) too lazy to be a success.
The papers are all together (all in a group) in the folder I sent you.

4. always -- all ways

She has always (at all times) done good work.
We have tried in all ways (by all methods) to keep our employees happy.

5. Anyone -- any one

Any one of the group could be responsible. (If "of" follows anyone it is two words).
We will talk to anyone. (If anyone is not followed by "of" it is one word).