obie[6], webo[6], opie[5], piwo[5], wpoi[5], ewie[4],
bee[5], boi[5], obi[5], web[5], pie[4], poi[4], piw[4], ewe[3], wie[3], ewo[3], owe[3], iwo[3], owi[3], wio[3],
be[4], bi[4], bo[4], pe[3], pi[3], op[3], po[3], ee[2], eo[2], ew[2], we[2], iw[2],
