bohr[8], bord[7], drob[7], bors[7], droh[6], ohrs[6], rhos[6], sohr[6],
hob[7], bor[6], ohr[5], rho[5], roh[5], rod[4], dos[4], ods[4], sod[4],
ob[5], ho[4], oh[4], do[3], od[3], os[3], so[3],
