obco[7], kobo[7], obok[7], boks[7], boso[6], kwoc[6], koso[5], osok[5], owco[5], owoc[5], woko[5], wosk[5], sowo[4],
cob[6], bok[6], koc[5], oko[4], soc[4], kos[4], sok[4], kwo[4], wok[4], oso[3], owo[3],
bo[4], co[3], ko[3], ok[3], os[2],
