bach[9], gach[9], biga[8], giba[8], gaci[7],
big[7], gib[7], ghi[7], cab[6], ach[6], cha[6], chi[6], ich[6], bai[5], agi[5], gai[5], hai[5],
ba[4], ag[4], ha[4], bi[4], hi[4], ci[3],
