port[6], prot[6], trop[6], wtop[6], ptoz[6], ront[5], tron[5], wron[4], worz[4],
pot[5], top[5], por[4], pro[4], rop[4], not[4], ton[4], ort[4], rot[4], tor[4], nor[3], won[3], rwo[3], zon[3], orz[3],
op[3], po[3], ot[3], to[3], no[2], on[2], or[2], ro[2], oz[2],
