bebe[8], beko[7], kweb[7], webo[6], weko[5],
bob[7], bek[6], bok[6], bee[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], ee[2], eo[2], ew[2], we[2],
