idol[6], lido[6], lidi[5], dito[5], duld[5], dult[5],
dol[5], lot[5], lid[4], ido[4], iod[4], tod[4], lud[4], duo[4], out[4],
do[3], od[3], ul[3], ti[2], du[2], ud[2], ui[2], tu[2],
