bebe[8], abbo[8], babo[8], boba[8], obab[8], weba[6], obaw[6], webo[6],
bab[7], bob[7], bee[5], abo[5], boa[5], oba[5], baw[5], wab[5], web[5], ewa[3], ewe[3], owa[3], ewo[3], owe[3], wow[3],
ba[4], be[4], bo[4], ee[2], eo[2], ew[2], we[2],
