bebe[8], abbo[8], babo[8], boba[8], obab[8], bace[7], bece[7], baco[7], coba[7], obca[7], obce[7], weba[6], obaw[6], webo[6], cewa[5], wece[5], owca[5], cewo[5], owce[5], woce[5],
bab[7], bob[7], cab[6], cob[6], bee[5], abo[5], boa[5], oba[5], baw[5], wab[5], web[5], cew[4], ewa[3], ewe[3], owa[3], ewo[3], owe[3],
ba[4], be[4], bo[4], ce[3], co[3], ee[2], eo[2], ew[2], we[2],
