beko[7], boye[7], hoye[7], okey[6],
byk[7], bek[6], bok[6], boy[6], oby[6], hoy[6], bee[5], ehe[5], eko[4],
by[5], be[4], eh[4], he[4], bo[4], ho[4], oh[4], ko[3], ok[3], ee[2], eo[2],
