Try your best not to press "Generate answers" until you have guessed where all 3 differences are.
Scratch Abbreviations: OMG = oh my gosh Sup = what is up? (or what's going on) IDK = I don't know (or I do not know) IKR = I know right? Plz = Please YW = you're welcome Y wec's = your welcome (again) TY = thank you =3 = silly face =D = happy face )=< = angery face =( = sad face =) = closed smile =S = Oops! face Rec. = recording LOL = Laph out loud XD = (if you look sideways) its a laphter face + several more remind me in the comments for more.