rulon[8],
nulu[9], luru[9], runu[8], luno[7], luro[7], runo[6], urno[6],
ulu[8], lnu[6], lun[6], nul[6], lur[6], nur[5], run[5], urn[5], oru[5], lor[4], rol[4], nor[3],
uu[6], lu[5], ul[5], nu[4], no[2], on[2], or[2], ro[2],
