cccc cccl cccv ccee ccel cclc cclv ccrc ccre ccrl cec- cece ceec ceel cel- celc cele cell cer- cerc cere cerl clec clee cler clrv crcc crce crcr cre- crec cree cvcc cver cvrr e-cl eccc ecce eccl ecrc ecrl ecrr ecrv eeee eele eelv eerc elce elec elee eler elev elle elve ercc erce erec erel erer erev erle erll errc erre erve evel ever evre lccc lcce lcer lcrl lcrv lece leel leer lele lell lerc lere lev- levc leve llcc lllc llll lrrc lrrr lvcc lvrr rccc rcle rcvr recc rece recr reel reev rele rell rere reve rlee rrle rrrr rv-c rver vecc veel veer vel- vele vell ver- vere verl veve vlcc vver vvvv