How to spell THELONG correctly?

If "thelong" was intended to be spelled as "the long", some possible correct suggestions are: adding a space between "the" and "long", correcting the capitalization of "t" in "the" or adding a hyphen between "the" and "long."

• belong The antique vase didn't belong in the garage sale, it belonged in a museum.
• thong
• throng The throng of people waiting for the concert to start was getting larger and more excited by the minute.

Intertubing

• antedating
• entertain
• entertainer
• entertaining
• inditing
• inner-tubing
• intertwine
• interurban
• intuiting
• undertaking