bocce[9], bocie[8], cobie[8], obiec[8], occie[7], ociec[7],
biec[7], obce[7], obco[7], ciec[6], obie[6], oboi[6],
cob[6], boi[5], obi[5], cie[4],
be[4], bi[4], bo[4], ce[3], ci[3], co[3], eo[2],
