sepu[7], opus[7], ospu[7], epos[5], osep[5], peso[5],
opu[6], psu[6], spu[6], esu[5], sou[5], sep[4], osp[4],
su[4], pe[3], op[3], po[3], ee[2], eo[2], es[2], se[2], os[2],
