bebe[8], babi[8], biba[8], bida[7], bied[7], idea[5], idee[5],
bab[7], bib[7], bad[6], dba[6], bid[6], bee[5], bai[5],
ba[4], be[4], bi[4], ad[3], da[3], de[3], id[3], ee[2],
