bigo[8], bogi[8], pigw[7], piwo[5], wpoi[5],
big[7], gib[7], boi[5], obi[5], goi[5], ogi[5], wig[5], poi[4], piw[4], iwo[3], owi[3], wio[3],
bi[4], bo[4], go[4], pi[3], op[3], po[3], iw[2],
