-ene cccc cccl cccu ccee ccel cclc ccnc ccne ccnr ccnu ccrc ccre ccrl ccuc cec- cece ceec ceel cel- celc cele cell cen- cene cer- cerc cere cerl cern clec clee cler cleu clue clun cnel cnrc cnrr crcc crce crcr cre- crec cree cren creu crne crue crun cucc cuce cucn cuer culc cule cull cune cure curl curn curr e-cl eccc ecce eccl ecne ecrc ecrl ecrr ecru eeee eele eerc elce elec elee elen eler elle ellu elne elue elul ence encl enee enel ener ennc enne ennu enue enur ercc erce erec erel eren erer erle erll erne errc erre eruc erur euer eule eur- eurc eure lccc lcce lcer lcrl le-u lece leel leen leer lele lell lelu lene lenn lerc lere lern leuc leun leur llcc lleu lllc llll lncr lner lrne lrrc lrrr luce luer lule lull lulu lune lunn lure nccc nccn nccr nccu ncec ncee ncel ncen ncer nclc ncln nclr ncnc ncrc ncre ncue necc nece necr neel neen neer nelc nele nell nene nenu nerc nere nerl nerr neru neuc neue neun neur neuu nlcc nlec nler nnnn nren nrrc nrrl nuce nucu nuee nuel nuer nule null nunc nune nunn nurc nure nurl nurn nurr nuru rccc rcle rcnl rcnr recc rece recr recu reel reen rele rell rene renn renu rere reru reue reul reuu rlee rleu rrle rrrr rrun ruce ruel ruen ruer rule rull runc rune runn rurc rure ruru ruun ucel ucrc uele uell ulcc ulee ulen ulle ullr ulne ulul uncc unce uncl unec unee unen uner unle unne ure- urle urne urre urun urur uuen uulu uuuu