bill[8], bold[8], bido[7], bilo[7], boli[7], obli[7], doli[6], idol[6], lido[6], loli[6],
bid[6], bil[6], bod[6], bol[6], lob[6], lid[5], boi[5], obi[5], dol[5], lol[5], doi[4], ido[4],
bi[4], bo[4], id[3], li[3], do[3], od[3],
