cudo[8], clou[8], duol[8], lodu[8], onuc[7], nudo[7], luno[7],
cud[7], lud[7], dnu[6], nud[6], lnu[6], lun[6], nul[6], duo[6], udo[6], cod[5], doc[5], dol[5], lol[5], noc[4], dno[4], don[4],
ud[5], lu[5], ul[5], nu[4], co[3], do[3], od[3], no[2], on[2],
