beko[7], kweb[7], epok[6], webo[6], wkop[6], weko[5],
bek[6], bok[6], bee[5], kop[5], web[5], eko[4], wek[4], kwo[4], wok[4], ewe[3], ewo[3], owe[3],
be[4], bo[4], ko[3], ok[3], pe[3], op[3], po[3], ee[2], eo[2], ew[2], we[2],
