abby[9], baby[9], biby[9], abba[8], baba[8], babi[8], biba[8], biga[8], giba[8], gaya[7], agia[6],
bab[7], bib[7], big[7], gib[7], aby[6], gay[6], aga[5], bai[5], agi[5], gai[5], aaa[3],
by[5], ba[4], ag[4], bi[4], aa[2],
