bada[7], doba[7],
bad[6], dba[6], bod[6], bee[5], abo[5], boa[5], oba[5], dao[4], oda[4], deo[4], ode[4],
ba[4], be[4], bo[4], ad[3], da[3], de[3], do[3], od[3], aa[2], ee[2], eo[2],
