bugu[12], bogu[10], gayu[9], boyu[9], boga[8], boya[7],
bug[9], gub[9], buu[9], obu[7], aby[6], gay[6], boy[6], oby[6], abo[5], boa[5], oba[5], ago[5],
bu[6], gu[6], uu[6], by[5], ba[4], ag[4], bo[4], go[4], au[4],
