pipo[6], popi[6], brio[6], broi[6], robi[6], brwi[6], piwo[5], wpoi[5],
boi[5], obi[5], pip[5], pop[5], bor[5], rob[5], poi[4], por[4], pro[4], rop[4], piw[4], roi[3], iwo[3], owi[3], wio[3], wir[3], rwo[3],
bi[4], bo[4], pi[3], op[3], po[3], or[2], ro[2], iw[2],
