oborz[7], zorbo[7], poorz[6], prozo[6], zorzo[5],
boro[6], robo[6], zorb[6], poro[5], ropo[5], pozo[5], zorz[4],
bor[5], rob[5], por[4], pro[4], rop[4], oro[3], zoo[3], orz[3],
bo[4], op[3], po[3], or[2], ro[2], oz[2],
