kega[7], geek[7], koga[7], kego[7], kogo[7], kace[6], coka[6], koca[6], koce[6],
keg[6], kog[6], kac[5], cek[5], ago[5], ego[5], koc[5], oka[4], eko[4], oko[4],
ag[4], go[4], ce[3], ka[3], co[3], ko[3], ok[3], ee[2], eo[2],