puby[10], boyu[9], uboi[8], upoi[7], boye[7], obie[6], opie[5],
pub[8], obu[7], piu[6], opu[6], boy[6], oby[6], boi[5], obi[5], opy[5], pie[4], poi[4],
bu[6], by[5], be[4], bi[4], bo[4], pe[3], pi[3], op[3], po[3], eo[2],
