oboro[7], oborz[7], zorbo[7], zworo[5],
boro[6], robo[6], zorb[6], worz[4],
bor[5], rob[5], brr[5], oro[3], owo[3], rwo[3], wrr[3], zoo[3], orz[3],
bo[4], or[2], ro[2], oz[2],
