dupo[8], sodu[7], opus[7], ospu[7], spod[6],
dup[7], pud[7], duo[6], udo[6], opu[6], psu[6], spu[6], pod[5], sou[5], osp[4],
ud[5], su[4], do[3], od[3], op[3], po[3], os[2],
