bron[6], snob[6], boss[6], snop[5], pros[5], psor[5], spor[5], poss[5], wron[4],
bon[5], bor[5], rob[5], por[4], pro[4], rop[4], osp[4], pss[4], nor[3], nos[3], son[3], ros[3], sos[3], won[3], rwo[3],
bo[4], op[3], po[3], no[2], on[2], or[2], ro[2], os[2],
