dyby[9], bady[8], body[8], doby[8], bada[7], doba[7], boya[7],
dyb[7], bad[6], dba[6], bod[6], aby[6], boy[6], oby[6], abo[5], boa[5], oba[5], ody[5], dao[4], oda[4],
by[5], ba[4], bo[4], ad[3], da[3], do[3], od[3], aa[2],
