poru[7], opus[7], ospu[7], suro[6], pros[5], psor[5], spor[5],
opu[6], psu[6], spu[6], oru[5], sou[5], rus[5], sur[5], por[4], pro[4], rop[4], osp[4], ros[3],
su[4], op[3], po[3], or[2], ro[2], os[2],
