brono[7], obron[7], bonzo[7], bozon[7], oborz[7], zorbo[7],
bono[6], obon[6], bron[6], boro[6], robo[6], zorb[6], noro[4], ozon[4], zono[4],
bon[5], bor[5], rob[5], ono[3], nor[3], oro[3], zon[3], zoo[3], orz[3],
bo[4], no[2], on[2], or[2], ro[2], oz[2],
