abfeg[11],
fege[8], fade[7], gabe[7], gebe[7], bade[6], abee[6], bede[6],
feg[7], fad[6], fee[6], gab[6], beg[6], geb[6], aba[5], bad[5], aga[4], ade[3],
fa[5], ab[4], aa[2], ad[2], da[2],