boru[8], buro[8], buzo[8], burz[8], boro[6], robo[6], zorb[6], ouzo[6],
obu[7], bru[7], bur[7], buz[7], bzu[7], bor[5], rob[5], oru[5], ozu[5], uzo[5], oro[3], zoo[3], orz[3],
bu[6], bo[4], or[2], ro[2], oz[2],
