kwef[9], beki[7], kweb[7], weki[5], wiek[5],
fik[8], bek[6], web[5], kei[4], kie[4], wek[4], kwi[4], wie[3],
ef[6], fe[6], fi[6], be[4], bi[4], ki[3], ew[2], we[2], iw[2],
