bol[7], lob[7], bio[6], obi[6], bot[6], tob[6], dol[5], bit[5], lot[5], lid[4], ido[4], iod[4], tod[4], lud[4], duo[4], out[4],
ob[5], bi[4], do[3], od[3], ul[3], ti[2], du[2], ud[2], ui[2], tu[2],
