efeb[10], foce[9], bece[7], obce[7], beko[7], koce[6],
fob[9], fok[8], fee[7], efo[7], bek[6], cob[6], bok[6], bee[5], cek[5], koc[5], eko[4],
ef[6], fe[6], be[4], bo[4], ce[3], co[3], ko[3], ok[3], ee[2], eo[2],
