agach[10], gacha[10], abace[8],
bach[9], gach[9], bega[8], baca[7], caba[7], bace[7], acha[7], echa[7], heca[7],
beg[7], cab[6], ach[6], cha[6], che[6], ech[6], hec[6], aga[5], aha[5],
ba[4], be[4], ag[4], ha[4], eh[4], he[4], ce[3], aa[2],
