cob[6], bod[6], cod[5], doc[5], pod[5], pop[5], bor[5], rob[5], odr[4], ord[4], rod[4], por[4], pro[4], rop[4], rwo[3],
bo[4], co[3], do[3], od[3], op[3], po[3], or[2], ro[2],
