d and c, d nad c, f and c, d and cc, d amd c, d anf c, d aand c, dand c, d snd c, dd and c, d andc, d andc , d ad c, dand c, d ans c, and c, d an c, d and x, d and c, d nd c, d an dc, d and , d annd c, d abd c, d andd c, d adn c, s and c, da nd c, d and v