chno[7], chon[7], bocz[7], kobz[7], czok[6], kocz[6],
cob[6], hoc[6], och[6], bok[6], koc[5], bon[5], noc[4], nok[4], non[3], zon[3],
bo[4], ho[4], oh[4], co[3], ko[3], ok[3], no[2], on[2], oz[2],
