efeb[10], foko[9], geek[7], beko[7], kego[7], kobo[7], obok[7], kogo[7],
fob[9], fok[8], fee[7], beg[7], efo[7], bek[6], keg[6], bok[6], kog[6], bee[5], ego[5], eko[4], oko[4],
ef[6], fe[6], be[4], bo[4], go[4], ko[3], ok[3], ee[2], eo[2],
