proco[7], otrop[7], porto[7], oporo[6], rotor[6],
poco[6], proc[6], port[6], prot[6], trop[6], coro[5], poro[5], ropo[5], root[5], roto[5], toro[5],
pot[5], top[5], por[4], pro[4], rop[4], prr[4], oto[4], ort[4], rot[4], tor[4], oro[3],
co[3], op[3], po[3], ot[3], to[3], or[2], ro[2],
