hobo[8], bohr[8], bolo[7], lobo[7], obol[7], boro[6], robo[6], horo[6], loro[5], rolo[5],
bol[6], lob[6], hol[6], oho[5], bor[5], rob[5], hor[5], rho[5], lor[4], rol[4], oro[3],
bo[4], ho[4], oh[4], or[2], ro[2],
