bod[6], bot[6], pod[5], bor[5], rob[5], brr[5], pot[5], top[5], odr[4], ord[4], rod[4], por[4], pro[4], rop[4], drr[4], prr[4], ort[4], rot[4], tor[4], rwo[3], wrr[3],
bo[4], do[3], od[3], op[3], po[3], ot[3], to[3], or[2], ro[2],