all ready--completely prepared

The boat will be all ready to sail by next month.

already--adverb concerning a recent past time

Harvey had already left the class when his pen was found.

Constance had already packed the car by the time the family was all ready.

all right--adverb or adjective--formal usage (scientific and academic writing)

The theses that were written were all right.

alright--alternate spelling, informal or casual usage

Linus hit his head on the door, but seems alright.

Jack was alright after the operation; The doctors were all right.  (Both spellings are correct, but the first one is informal usage and second one is formal usage.  Use one or the other when writing something.  Be consistent!)

all together--a whole; summed up

All together now, sing!

altogether--wholly, completely, entirely

Will has his thoughts altogether focused on his studies.

The class went to the play all together and had an altogether great time!

anyone--pronoun--any person at all

Has anyone seen my notebook?

any one--adjective + noun--a particular item in a group

If any one of you have it, please give it back.

Any one of them could have asked if anyone had arrived yet.

anyway--adverb--nonetheless, in any case

Nora burned the roast beef, but she served it anyway.

any way--adjective + noun--a particular direction or manner

Is there any way to fix this table?

I am not sure there any way to get to the concert on time, but I am going anyway.

awhile--adverb---a short time

Barbie said she would be ready in awhile, so I'll wait for her.

a while--article + noun--a period of time (usually needs a preposition)

Cinderella and the Prince danced for a while, then the clock struck midnight.

It has been a while since we talked for awhile.

everyone--pronoun--all people at a certain time or place

Everyone in the room loves Sharon.

every one--adjective + noun--all people

Robert told every one of his friends that he got the highest mark in the class.

Everyone out of the pool, and I mean every one of you!

maybe--adverb--perhaps

Maybe I love you, and maybe I don't.

may be--verb form of be (possibly)

It may be a long time until Catherine's house is finished.

It may be that a "maybe" is the only answer you will get from her.