kega[7], geek[7], koga[7], kego[7], kogo[7], koka[6], koko[6],
keg[6], kog[6], kek[5], ago[5], ego[5], kok[5], oka[4], eko[4], oko[4],
ag[4], go[4], ka[3], ko[3], ok[3], ee[2], eo[2],
