abba[8], baba[8], baca[7], caba[7], bada[7], bace[7], capa[6], paca[6], pada[6], cepa[6], pace[6],
bab[7], cab[6], bad[6], dba[6], cap[5], pac[5], pad[5], cep[5],
ba[4], be[4], ad[3], da[3], ce[3], de[3], pa[3], pe[3], aa[2],
