bai[5], abo[5], boa[5], oba[5], boi[5], obi[5], bas[5], bis[5], pai[4], pia[4], poi[4], pas[4], psa[4], sap[4], spa[4], psi[4], osp[4], ais[3], sia[3], osa[3], osi[3], sio[3], soi[3],
ba[4], bi[4], bo[4], pa[3], pi[3], op[3], po[3], as[2], si[2], os[2],