The word "earliest" is not hyphenated as it is a single, standalone adjective. It is used to describe the superlative form of "early," indicating the first in time. Hyphenation is typically not necessary unless it is part of a compound modifier before a noun, which is not the case here.
You say "A hyphen" because the sound of the letter "H" at the beginning of the word "hyphen" is pronounced, making it a consonant sound.
No, it does not have a hyphen.
It Is A Special Hyphen
A colon is this : and a hyphen is this -
multimedia - NO hyphen
No there's not a hyphen.
It does not need to have a hyphen! :)
hyphen
Non-breaking hyphen
does time-line have a hyphen
No, deworming is not spelled with a hyphen.
If you mean the word for 19, then there is no hyphen and it is nineteen, not nine-teen.