bibo[8], bigo[8], bogi[8], obij[8], jogi[8], bido[7], dogi[7],
bib[7], big[7], gib[7], bij[7], jig[7], bob[7], boj[7], job[7], goj[7], jog[7], bid[6], gid[6], bod[6], dog[6], jod[6], boi[5], obi[5], goi[5], ogi[5], doi[4], ido[4],
bi[4], bo[4], go[4], oj[4], id[3], do[3], od[3],
