beko[7], home[7], emko[6],
bek[6], hem[6], bok[6], bom[6], mob[6], mho[6], ohm[6], kem[5], kom[5], eko[4],
hm[5], be[4], eh[4], he[4], bo[4], ho[4], oh[4], em[3], me[3], ko[3], ok[3], om[3], eo[2],