kogo[7], dodo[6], kodo[6], skod[6], sodo[5], koso[5], osok[5],
dog[6], kog[6], dok[5], kod[5], odo[4], oko[4], kos[4], sok[4], oso[3],
go[4], do[3], od[3], ko[3], ok[3], os[2],
