[Deff]

var pov=[],mMax=5,kMax=2;
for (k=0;i<kMax; k++) {
 for (m=0;i<mMax; m++) {
   for (i=0;i<c.length; i++) {
     if(u[k]==c[0]&&u[m]==c[2]) pov.push(c[i]);
   }
 }
}
 document.write(pov);