cccc cccl cccv ccee ccel cclc cclv ccoc ccrc ccre ccrl ccvo cec- cece ceco ceec ceel cel- celc cele cell celo ceol ceor cer- cerc cere cerl cero cevo clec clee cleo cler cloe cloo clor clro clrv coce coco coel col- cole coll colo cool cor- corc core corl coro corr cove covo crcc crce crcr cre- crec cree creo croc croe crol croo cror cvcc cver cvrr e-cl eccc ecce eccl ecco eco- ecol ecrc ecrl ecrr ecrv eeee eele eelv eeoc eerc eero elce elco elec elee eleo eler elev elle ello elro elve elvo eole eolo eore eorl ercc erce erec erel erer erev erle erll eroc eroe erol eroo errc erre erro erve evel ever evoe evol evoo evre lccc lcce lcer lcor lcrl lcrv lece leco leel leer lele lell lelo leoc leor leov lerc lere lero lev- levc leve levo llcc lllc llll lloc lloo lo-v locc loce loco lole loll lolo looc looe lool loor lore loro love lovo lroc lrrc lrrr lvcc lvov lvrr o-eo occc oce ocee oclc ocre ocrl ocro ocrr oec- oecc oeec oele oere olcc ole- oleo oler olev olle ollo olor olov oocr ooer oolo oooo oore orce orco ore- orec orel oreo orer orle orlo oro- oroe oror orro orve orvr ovee over ovo- ovol ovoo ovre rccc rcle rcvr recc rece recr reel reev rele rell relo reol rere rero reve revo rlee rocc roce roco roel roer roev role roll rolo rool roor rorc rore roro rove rovo rrle rrrr rv-c rver vecc veel veer vel- vele vell velo veol veor ver- vere verl vero veve vevo vlcc vloc voce voel voer volc vole voll volo vooc vool voor vor- vore voro vreo vroc vver vvvv