beko[7], kego[7], kweb[7], webo[6], kwok[6], weko[5],
beg[7], bek[6], keg[6], bok[6], kog[6], kek[5], ego[5], kok[5], web[5], eko[4], wek[4], kwo[4], wok[4], ewo[3], owe[3],
be[4], bo[4], go[4], ko[3], ok[3], eo[2], ew[2], we[2],
