cccc cccl cccu cccv ccee ccel cclc cclv ccrc ccre ccrl ccuc cec- cece ceec ceel cel- celc cele cell cer- cerc cere cerl clec clee cler cleu clrv clue crcc crce crcr cre- crec cree creu crue cucc cuce cuer culc cule cull cure curl curr cuve cvcc cver cvrr e-cl eccc ecce eccl ecrc ecrl ecrr ecru ecrv eeee eele eelv eerc elce elec elee eler elev elle ellu elue elul elve ercc erce erec erel erer erev erle erll errc erre eruc erur eruv erve euer eule eur- eurc eure evel ever evre lccc lcce lcer lcrl lcrv le-u lece leel leer lele lell lelu lerc lere leuc leur lev- levc leve llcc lleu lllc llll lrrc lrrr luce luer lule lull lulu lure lurv luve lvcc lvrr rccc rcle rcuv rcvr recc rece recr recu reel reev rele rell rere reru reue reul reuu reve rlee rleu rrle rrrr ruce ruel ruer rule rull rurc rure ruru ruve ruvu rv-c rver ucel ucrc uele uell ulcc ulee ulle ullr ulul ure- urle urre urur urve uulu uuuu uv-c uvel uver uvvu vecc veel veer vel- vele vell velu ver- vere verl veur veve vlcc vuel vull vver vvvv