abbo[8], babo[8], boba[8], obab[8], doba[7], bosa[6], osad[5], soda[5],
bab[7], bob[7], bad[6], dba[6], bod[6], abo[5], boa[5], oba[5], bas[5], dao[4], oda[4], sad[4], osa[3],
ba[4], bo[4], ad[3], da[3], do[3], od[3], as[2], os[2],