abba[8], baba[8], babi[8], biba[8], biga[8], giba[8], agia[6],
bab[7], bib[7], big[7], gib[7], ghi[7], aga[5], aha[5], bai[5], agi[5], gai[5], hai[5],
ba[4], ag[4], ha[4], bi[4], hi[4], aa[2],
