Associate items from two lists

List 1: peppe88_834, RaffyAquino10, DarkGianlu, FEDECR7, Raf Rubino, TheScoreMan32, yucs63, Doriguzzi, Big Tony22, Fra 20 12, Paduli012

List 2: C1, C1, C1, C1, C1, C2, C2, C2, C2, C2, C2