beko[7], beks[7], boks[7], kweb[7], bose[6], webo[6], esko[5], kose[5], weko[5], wosk[5],
bek[6], bok[6], web[5], eko[4], eks[4], kos[4], sok[4], wek[4], kwo[4], wok[4], ewo[3], owe[3], swe[3],
be[4], bo[4], ko[3], ok[3], eo[2], es[2], se[2], os[2], ew[2], we[2],
