loch[8], olch[8], bohr[8], chor[7], ochr[7],
cob[6], hoc[6], och[6], bol[6], lob[6], hol[6], bor[5], rob[5], hor[5], rho[5], lor[4], rol[4],
bo[4], ho[4], oh[4], co[3], or[2], ro[2],
