cofa[9], foce[9], baca[7], caba[7], bace[7], baco[7], coba[7], obca[7], obce[7],
fob[9], caf[8], efa[7], efo[7], cab[6], cob[6], abo[5], boa[5], oba[5],
fa[6], ef[6], fe[6], ba[4], be[4], bo[4], ce[3], co[3], aa[2], eo[2],
