Yet Another Very Easy Giveaway

Below is a url for private giveaway of a certain game with a metacritic score of 94.all you have to do mention an alphabet or a number that you thing is a part of this url(the ones with " _ " is the missing part). mention 1 at a time .ill consider only first 15 valid comments. dont multi post please. If you feel generous enough you can share the link in public or keep it for yourself to increase your chances.

http://www.steamgifts.com/giveaway/ c K _ P H

The Giveaway ends in 45 mins good luck.

Edit - Correct letters- c,k,P

0 entries look like no one got it yet. ill try to give 1 more hint.

Hint 1( 40mins for the giveaway to end)
c k "a number" P "Upper Case alphabet"

Hint 2(35mins left) The position of letter in a qwerty pad would be right below y

Hint 3(30mins left) What digit is the most frequent between the numbers 1 and 1,000 (inclusive)?
Now you should get it

Ill make it really really easy for you guys.

http://www.steamgifts.com/giveaway/ c K _ P H.
2 entries ,20 mins left

First person to figure it out - rickitiyo :d
Hurry 24mins left for the giveaway to end

REALLY SORRY MY MISTAKE ITS CAPITAL K . SORRY. ILL MAKE ANOTHER GIVEAWAY FOR THAT MISTAKE:(