bio[6], obi[6], bot[6], tob[6], bis[5], bit[5], bst[5], ido[4], iod[4], dos[4], ods[4], sod[4], tod[4], ost[4], tos[4], dis[3], ist[3],
ob[5], bi[4], do[3], od[3], os[3], so[3], si[2], ti[2], st[2],