c and e, c ans w, c andw , c adn w, c andw, c andd w, c and w, v and w, c ad w, c anf w, x and w, c an w, c snd w, ca nd w, c and ww, cc and w, c and w, c nd w, cand w, c abd w, c and , c amd w, c annd w, c and q, and w, c an dw, c aand w, cand w, c nad w