bohr[8], chor[7], ochr[7], bort[7], torb[7],
cob[6], hoc[6], och[6], bot[6], hot[6], bor[5], rob[5], hor[5], rho[5], ort[4], rot[4], tor[4],
bo[4], ho[4], oh[4], co[3], ot[3], to[3], or[2], ro[2],
