It's all the letters on the keyboard going column by column from top to bottom left to right.
'qazwsxedcrfvtgbyhnujmikolp' is sometimes refereed to as a 'sign of boredom'. You can type 'qazwsxedcrfvtgbyhnujmikolp' by going down each column on your QWERTY keyboard. (The first column being qaz, the second wsx, down to the last two which are ol and p.
123 ABC your name colours password the best passwords are: chocolate asdfghjkl qwertyuiop zxcvbnm qazwsxedcrfvtgbyhnujmikolp soap Random stuff