bio[6], obi[6], tic[6], bot[6], tob[6], duc[6], cut[6], bit[5], ido[4], iod[4], tod[4], tot[4], duo[4], out[4], tut[3],
ob[5], bi[4], do[3], od[3], ti[2], du[2], ud[2], ui[2], tu[2],
