Puzzle for The Ship - Complete Pack

Puzzle:

There are 5 letters/numbers but only 1 is small letter. I will reveal how many there are digits later.
These words/letter/riddles are somehow connected to some word/number/letter. It might be some opposite word, it might be familiar word and something like that. If its the word, it must be the first letter. I will give hints later on.

1. God
2. Daytime
3. A phrase that you start a conversantion with an important person ( english/american phrase )
4. Y
5. meme - the begginig (origins)

Feel free to discuss, but don't spoil the answers please :)

EDIT: You write the answers here http://www.steamgifts.com/giveaway/**** those means letter/number, one * is one letter or number

0k, I'll make it easier for you guys.

Hints:

1 2 3 4 are capital letters, 5 are normal ( small ) letter. There are no numbers

Other hints:

2. fourth answer: Math teachers always asks you to find that fuker

3. fifth answer: It's called 4chan, but also known as //. That is the letter im looking for

New hint:

3. third answer: Its something like "Hello", "How do you do", "Hi" but its used in more official ways, the phrase is made from two words, I'm looking for the first words letter

4. fifth answer: If you still don't know that, it's not memebase, 9gag nor reddit. It's also known for its strange people, anonimous people, porn and as I mentioned before, they created memes ( trollfaces and stuff )