kagu[9], kegu[9], kogu[9], kega[7], geek[7], koga[7], kego[7],
keg[6], kog[6], oku[6], ago[5], ego[5], oka[4], eko[4],
gu[6], ku[5], ag[4], go[4], au[4], ka[3], ko[3], ok[3], ee[2], eo[2],
