poco[6], opon[5], pono[5], snop[5], opos[5], ospo[5], poss[5], owco[5], owoc[5], nowo[4], sowo[4],
noc[4], soc[4], osp[4], pss[4], ono[3], nos[3], son[3], oso[3], sos[3], won[3], owo[3],
co[3], op[3], po[3], no[2], on[2], os[2],
