bomb[9], bohr[8], chor[7], ochr[7], brom[7], romb[7],
bob[7], cob[6], hoc[6], och[6], bom[6], mob[6], mho[6], ohm[6], com[5], moc[5], bor[5], rob[5], hor[5], rho[5], mor[4],
hm[5], bo[4], ho[4], oh[4], co[3], om[3], or[2], ro[2],
