bohr[8], bond[7], hond[7], hord[7], bont[7], bort[7], torb[7], bron[6], tond[6], dorn[5], nord[5], rond[5], ront[5], tron[5],
bod[6], bot[6], hot[6], bon[5], bor[5], rob[5], hor[5], rho[5], dno[4], don[4], odr[4], ord[4], rod[4], not[4], ton[4], ort[4], rot[4], tor[4], nor[3],
bo[4], ho[4], oh[4], do[3], od[3], ot[3], to[3], no[2], on[2], or[2], ro[2],
