hobo[8], bohr[8], dobo[7], hord[7], boro[6], robo[6], horo[6], odro[5], ordo[5],
bod[6], oho[5], bor[5], rob[5], hor[5], rho[5], odo[4], odr[4], ord[4], rod[4], oro[3],
bo[4], ho[4], oh[4], do[3], od[3], or[2], ro[2],