kogo[7], pogo[7], kopo[6], okop[6], opok[6], skop[6], koso[5], osok[5], opos[5], ospo[5],
kog[6], kop[5], oko[4], kos[4], sok[4], osp[4], oso[3],
go[4], ko[3], ok[3], op[3], po[3], os[2],
